Home Assignment for Summer Vacation, 2014
Class XII
ENGLISH
Q1.(a) Read at least five short reports in any English
newspaper. Cut and paste them on your note-book. On the basis of
your reading of these reports, make notes on them in points only,
using headings and sub-headings. Use recognizable abbreviations
wherever necessary.
(b) Make a summary of these passages in not more than 80 words
and also suggest a suitable title.
Q2. You are running a real estate agency in South Delhi. Write
an advertisement for Saturday “Prime Estate” column of The Times of
India, New Delhi, giving details of the flats/ bungalows available
for rent.
Q3. Water is very precious. Some scientists even go to the
extent that the third world war may be fought on the issue of
water. Keeping in view the need for saving each drop of water,
write an article in 150-200 words. You are Natasha/Nitesh, a
resident of New Delhi.
Q4. You are Veena Chopra of Siddharth Enclave, New Delhi. You
see the deplorable conditions of Govt. hospitals in Delhi. Write a
letter to the Health Minister, Delhi complaining to him about the
lack of facilities and mal-functioning of the Government hospitals
in Delhi.
Q5. As Head of Discipline Committee of Saini Public School,
Rewari draft a notice in not more than 50 words warning the
students against smoking and writing abusive language on urinal
walls. Also mention the disciplinary action taken against such
students found in doing so.
Q6. Write a letter in not more than 200 words to the Editor of a
daily commenting on the increasing display of violence and sex in
Indian films.
Q7. Write an article in 200 words on ‘Corruption in Public
Life’.
Q8. You are the President of your school Drama Club. Your club
is organizing a play ‘Three Idiots’ to help the victims of
earthquake. Design a poster informing the students about this play.
Invent necessary details.
Q9.You are Satish/ Sonali, the librarian of the school library.
You have been asked to place an order for children’s story books
for the age group 10 – 14. Write a letter to M.S. Book Depot,
Ramnagar, Meerut placing an order for the books. Invent the
necessary details.
Q10. You are Vimasl/Vimla. As a representative of your resident
welfare association, you have attended a workshop on ‘Promoting
Health and Hygiene’. Write a report in about 125 words for
publication in your association’s newsletter.
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कक्षा-बारहवीं Hindi
1- निबंध:
क)साहित्य समाज का दर्पण है
ख)इक्वीसवीं सदी का भारत
ग)विश्व में बढ़ता आतंकवाद
घ)प्रिय कवि/लेखक
ड.)आधुनिक शिक्षा पद्धति
२-सत्र २०१३-१४ का बोर्ड प्रश्न पत्र का क ,ख भाग पूरा करना है
|
३-जनसंचार माध्यम के ५० (छोटे प्रश्न )लिखने हैं |
४-आलेख: क) नदियों की स्वच्छता हमारा नैतिक कर्त्तव्य है |
ख ) युवा पीढ़ी में घटते संस्कार
५-फीचर: क)एकल परिवारों में बुजुर्गों की स्थिति
ख) बाल भिखारी
Mathematics Holidays Homework—2014-15
1. Let R be the relation in the set N given by
R = (a, b)| a = b – 2 , b > 6} .Whether the relation is
reflexive or not ?justify your answer.
2.Check whether the relation R is reflexive, symmetric and
transitive.
R = { (x , y): x – 3y = 0} on A ={1, 2, 3……….13, 14}.
3. Let N be the set of all natural numbers & R be the
relation on N × N defined by
R= { (a , b) , (c ,d): if a + d = b + c}. Show that R is an
equivalence relation.
4. Let A=R-{3} & B=R-{1}. Consider the function
f:AB defined by f(x)= .show that f is one-one & onto, hence
find .
5. If f: be defined as f(x)= 10x +7. Find the function g:. Such
that gof(x)=fog(x)=.
6. Prove that: .
7. Prove that :.
8. Using matrices, Solve the
Following system of equations:
a.
b.
c.
9. Using properties determinants, solve the following for x:
10. Using matrix method, sole the following system of
equations:
Where.
11.Find the relationship between 'a' and 'b' so that the
function 'f' defined by:
.
12. Find value of x
13. Find value:
14.
15. Using properties of determinants, solve the following for
x:
16. Using properties of determinants, solve the following for
x:
17.
18.
19.
20.
21.
22.
23.
24.
25.
26.
27.
28.
29.
30.31.
32.
33.
34.
35.
36.
37.
38.
39.
40.
41.
42.
43.
44.
ACCOUNTANCY
CHAPTER – I
Accounting for partnership firms – Fundamentals
LEARNING OBJECTIVES:
After studying this chapter the student will be confident
to:
Understand and explain the meaning of partnership
Understand the characteristics of Partnership
Explain the meaning and contents of partnership deed.
Apply their provisions of Partnership Act, 1932 in the absence
of partnership deed.
Prepare partners‘ Fixed and fluctuating capital Accounts.
Calculate interest on Capital and Drawings.
Distribute profit among partners and prepare Profit and Loss
Appropriation A/c.
Make the accounting treatment of past adjustment.
SALIENT POINTS:
Partnership deed: It is a document which contains the terms and
conditions of
Partnership agreement either oral or written.
Profit and Loss Appropriation Account : After the preparation of
Profit and Loss
account, entries pertaining to Interest on Capital, Drawings ,
Salaries among the
partners are shown separately in a newly opened Profit and Loss
Appropriation
Account.
Rules applicable in the absence of Partnership Deed :
a) Profit sharing ratio will be equal
b) No Interest on Capital and Drawings
c) No Remuneration or Salary to the partners.
d) Interest on Loan advanced by the partner @6%p.a.
Fixed and Fluctuating Capital Accounts :
When the Capitals are fixed, the Current account of the partners
will be
maintained.
8
1 and 3 Mark Questions
Q1 Define partnership.
Q.2 What do you understand by 'partners', 'firm' and 'firms'
name?
Q.3 Write any four main features of partnership.
Q.4 What is the minimum and maximum number of partners in all
partnership?
Q.5 What is the status of partnership from an accounting
viewpoint?
Q.6 What is meant by partnership deed?
Q.7 State any four contents of a partnership deed.
Q.8 In the absence of a partnership deed, how are mutual
relations of partners governed?
Q.9 Give any two reason in favour of having a partnership
deed.
Q.10 State the provision of 'Indian partnership Act 1932‘
relating to sharing of profits in
Q.11 Why is it important to have a partnership deed in
writing?
Q.12 What do you understand by fixed capital of partners?
Q.13 What do you understand by fluctuating capital of
partners?
Q.14 Give two circumstances in which the fixed capital of
partners may change.
Q.15 List the items that may appear on the debit side and credit
side of a partner's fluctuating
capital account.
Q.16 How will you show the following in case the capitals
are?
i) Fixed and ii) Fluctuating
. a) Additional capital introduced
b) Drawings
c) Withdrawal of capital
d) Interest on capital and
e) Interest on loan by partners?
Q.17 If the partners capital accounts are fixed, where will you
record the following items :
i) Salary to partners
ii) Drawing by a partners
iii) Interest on capital and
iv) Share of profit earned by a partner?
Q.18 How would you calculate interest on drawings of equal
amounts drawn on the Last day
of every month?
Q.19 How would you calculate interest on drawing of equal
amounts drawn on the last day
of every month?
Q.20 How would you calculate interest on drawing of equal amount
drawn in the middle of
every month?
Q.21 Ramesh, a partner in the firm has advanced a loan of a Rs.
1,00,000 to the firm and has
demanded on interest @ 9% per annum. The partnership deed is
silent on the matter.
How will you deal with it?
22 The partnership deed provides that Anjali, the partner will
get Rs. 10,000 per month as
salary. But, the remaining partners object to it. How will this
matter be resolved?
Q.23 Distinction between Profit and loss and profit and loss
appropriation account:
Ans.
Q.24. State the Average period to be taken for calculating
interest on drawing in different cases if
amount is withdrawn on regular interval.
Profit & Loss A/c Profit & Loss Appropriation A/c
i) Profit and Loss A/c is prepared to
ascertain net profit or net loss of
the business for an accounting
year.
i) In case of partnership firms, profit
and loss appropriation A/c is
prepared to appropriate /
distribute the profit of the year
among partners.
ii) It is prepared by all the business
firms.
ii) Only partnership firms and
companies prepare profit and loss
appropriation A/c
13
PROBLEMS BASED ON FUNDAMENTALS
Q. 1 A, B, and C were partners in a firm having no partnership
agreement. A, B and C
contributed Rs.2, 00,000, Rs.3, 00,000 and 1, 00,000
respectively. A and B desire that the
profits should be divided in the ratio of capital contribution.
C does not agree to this. How will
the dispute be settled?
Q2 A and B are partners sharing profits in the ratio of 3: 2
with capitals of Rs. 5, 00,000 and
Rs. 3, 00,000 respectively. Interest on capital is agreed @ 6%
p.a. B is to be allowed an
annual salary of Rs. 25000. During 2006, the profits of the year
prior to calculation of
interest on capital but after charging B's salary amounted to
Rs. 1,25,000. A provision of
5% of the profits is to be made in respect of Manager's
commission.
Prepare an account showing the allocation of profits and
partners' capital accounts.
Q.3 X and Y are partners sharing profits and losses in the ratio
of 3: 2 with capitals of Rs. 50,000
and Rs. 30,000 respectively. Each partner is entitled to 6%
interest on his capital. X is
entitled to a salary of Rs. 800 per month together with a
commission of 10% of net 'Profit
remaining after deducting interest on capitals and salary but
before charging any
commission. Y is entitled to a salary of Rs. 600 per month
together I. with-a commission of
10% of Net profit remaining after deducting interest on capitals
and salary and after
charging all commissions. The profits for the year prior to
calculation of interest on capital
but after charging salary of partners amounted to Rs. 40,000.
Prepare partners' Capital
Accounts:-
(i) When capitals are fixed, and
(ii) When capitals are. Fluctuating.
Note: (1) Calculation of interest on Capital: Interest for 3
months i.e. from 1st April to
30th June, 2004
Q 4 Give the answer to the following:
(1) P and Q are partners sharing profits and losses in the ratio
of 3:2. On 1st April 2009 their
capital balances were Rs.50, 000 and 40,000 respectively. On 1st
July 2009 P brought
Rs.10, 000 as his additional capital whereas Q brought Rs.20,
000 as additional capital on
1st October 2009. Interest on capital was provided @ 5% p.a.
Calculate the interest on
capital of P and Q on 31st March 2010.
(2) A and B are partners sharing profits and losses in the ratio
of 2:1. A withdraws Rs.1500 at
the beginning of each month and B withdrew Rs. 2000 at the end
of each month for 12
months. Interest on drawings was charged @ 6% p.a. Calculate the
interest on drawings
of A and B for the year ended 31st December 2009.
Q.5 A, B and C are partners in a firm sharing profits and losses
in the ratio of 2:3:5. Their
fixed capitals were 15, 00,000, Rs.30, 00,000 and Rs.6, 00,000
respectively. For the year 2009
interest on capital was credited to them @ 12% instead of 10%.
Pass the necessary adjustment
entry.
Q.6 From the following balance sheet of X and Y, calculate
interest on capitals @ 10% p.a.
payable to X and Y for the year ended 31st December, 2008.
Liabilities Amount Assets Amount
X's Capital 50,000 Sundry Assets 1, 00,000
Y's capital 40,000 Drawings X 10,000
P & L appropriation A/c (1998) 20,000
1,10,000 1,10,000
During the year 2008, X's drawings were Rs. 10,000 and Y's
Drawing were Rs. 3,000.
Profit during the year, 2008 was Rs.30, 000.
Q.7 A, B and C entered into partnership on 1st April, 2008 to
share profits & losses in the ratio
of 4:3:3. A, however, personally guaranteed that C's share of
profit after charging interest
on Capital @ 5% p.a. would not be less than Rs. 40,000 in any
year. The Capital
contributions were:
A, Rs. 3, 00,000; B, Rs. 2, 00,000 and C, Rs. 1, 50,000.
The profit for the year ended on 31st March, '2008 amounted to
Rs. 1, 60,000. Show the
Profit & Loss Appropriation Account. .
Q 8 A, and C are partners with fixed capitals of Rs. 2,00,000,
Rs. 1,50,000 and Rs.
1,00,000 respectively. The balance of current accounts on 1st
January, 2004 were A Rs.
10,000 (Cr.); B Rs. 4,000 (Cr.) and C Rs. 3,000 (Dr.). A gave a
loan to the firm of Rs.
25,000 on 1st July, 2004. The Partnership deed provided for the
following:-
(i) Interest on Capital at 6%.
(ii) Interest on drawings at 9%. Each partner drew Rs. 12,000 on
1st July, 2004.
(iii) Rs. 25,000 is to be transferred in a Reserve Account.
(iv) Profit sharing ratio is 5:3: 2 up to Rs. 80,000 and above
Rs. 80,000 equally. Net
Profit of the firm before above adjustments was Rs.
1,98,360.
From the above information prepare Profit and Loss Appropriation
Account, Capital and
Current Accounts of the partners.
Q.9 Ram and Shyam started a partnership business on 1st January,
2007. Their capital
contributions were Rs. 2,00,000 and Rs. 10,0000 respectively.
The partnership deed
provided:
i. Interest on capitals @10% p.a.
ii. Ram, to get a salary of Rs. 2,000 p.m. and Shyam Rs. 3,000
p.m.
iii. Profits are to be shared in the ratio of 3:2.
The profits for the year ended 31st December, 2007 before making
above appropriations
were Rs. 2,16,000. Interest on Drawings amounted to Rs. 2,200
for Ram and Rs. 2,500 for
Shyam. Prepare Profit and Loss Appropriation Account.
Q.10 P and Q are partners with capitals of Rs. 6,00,000 and Rs.
4,00,000 respectively. The profit
and Loss Account of the firm showed a net Profit of Rs. 4,
26,800 for the year. Prepare Profit
and Loss account after taking the following into
consideration:-
(i) Interest on P's Loan of Rs. 2,00,000 to the firm
(ii) Interest on 'capital to be allowed @ 6% p.a.
(iii) Interest on Drawings @ 8% p.a. Drawings were; P Rs 80,000
and Q Rs.
1000,000.
(iv) Q is to be allowed a commission on sales @ 3%. Sales for
the year was Rs.
1000000
(v) 10% of the divisible profits is to be kept in a Reserve
Account.
1. “In order to be successful, an organization must its goals
according to the needs of
environment”. Which characteristic of management is highlighted
in this
statement?
[1]
2. Name the technique given by Taylor which is the strongest
motivator for a worker
to reach the standard performance.
[1]
3. Define Business Environment. [1]
4. Name the type of plan which is also a control device from
which deviations can be
taken care of.
[1]
5. What is workload analysis? [1]
6. Give two examples of non-financial incentives. [1]
7. What is the last step in the process of controlling? [1]
8. State the twin objectives of financial planning. [1]
9. Give two examples of shopping products. [1]
10. Name the marketing philosophy which suggests that products
that are
inexpensive and easily available will sell.
[1]
11. Ruby is the marketing manager of the northern division of a
large corporation
house. At what level of management does the work in the
organization? Give two
functions performed by that level of management.
[3]
12. Explain objectives and policies as types of plan. Give one
example of each. [3]
13. Give any three reasons why planning is important. [3]
14. Enumerate three advantages of training to an
organization.
BUSINESS STUDIES
1. “In order to be successful, an organization must its goals
according to the needs of
environment”. Which characteristic of management is highlighted
in this
statement?
[1]
2. Name the technique given by Taylor which is the strongest
motivator for a worker
to reach the standard performance.
[1]
3. Define Business Environment. [1]
4. Name the type of plan which is also a control device from
which deviations can be
taken care of.
[1]
5. What is workload analysis? [1]
6. Give two examples of non-financial incentives. [1]
7. What is the last step in the process of controlling? [1]
8. State the twin objectives of financial planning. [1]
9. Give two examples of shopping products. [1]
10. Name the marketing philosophy which suggests that products
that are
inexpensive and easily available will sell.
[1]
11. Ruby is the marketing manager of the northern division of a
large corporation
house. At what level of management does the work in the
organization? Give two
functions performed by that level of management.
[3]
12. Explain objectives and policies as types of plan. Give one
example of each. [3]
13. Give any three reasons why planning is important. [3]
14. Enumerate three advantages of training to an
organization.
1. “In order to be successful, an organization must its goals
according to the needs of
environment”. Which characteristic of management is highlighted
in this
statement?
[1]
2. Name the technique given by Taylor which is the strongest
motivator for a worker
to reach the standard performance.
[1]
3. Define Business Environment. [1]
4. Name the type of plan which is also a control device from
which deviations can be
taken care of.
[1]
5. What is workload analysis? [1]
6. Give two examples of non-financial incentives. [1]
7. What is the last step in the process of controlling? [1]
8. State the twin objectives of financial planning. [1]
9. Give two examples of shopping products. [1]
10. Name the marketing philosophy which suggests that products
that are
inexpensive and easily available will sell.
[1]
11. Ruby is the marketing manager of the northern division of a
large corporation
house. At what level of management does the work in the
organization? Give two
functions performed by that level of management.
[3]
12. Explain objectives and policies as types of plan. Give one
example of each. [3]
13. Give any three reasons why planning is important. [3]
14. Enumerate three advantages of training to an
organization.
Political science
1. Make a project on scrapbook on Indian political parties with
their symbols .collect proper information about their
ideologies.
HISTORY – 12TH D
1. What are the main features of Maurya Empire?
2. Describe the main features of early civilizations of
India.
3. Name two sacrifices performed by the kings during the Vedic
time.
4. Explain any two problems that were faced by Historians in
writing history of Ancient time.
5. State the factors that helped Magadha emerge as the most
powerful Mahajanapada.
6. Describe the Varna system according to the Brahamanical
texts.
7. Write the main teaching of Buddha “The Begums of Bhopal
played a significant role in preserving the remains of Sanchi
stupa” in 300 words
8. What kinds of duties were performed by Chandala according to
Manu scripts?
9. Describe the marriages (various types) of Vedic period and
Mahabharata period.
10. Describe the organization and the role of Buddhist
Sanghas.
11. Describe the main features of Puranic Hinduism.
Economics
Theory Questions
Q.1. Write the degrees of elasticity of supply. Explain it with
the help of demand schedule and diagram.
Q.2. Write percentage method of Elasticity of supply?
Q.3. What are the causes of increase in the supply and decrease
in supply? Explain it in detail.
Q.4. Differentiate between Contraction of supply and decrease of
supply.
Q.5. Differentiate between extension of demand or increase in
demand.
Q.6. Explain the actors of elasticity of demand? Explain any
four.
Numericals ( Elasticity of demand )
Q.1 The market demand for a good at Rs.4 unit is 100 units. The
price rises and as a result its market demand falls to 75 units.
Find out the new price if the price elasticity of demand of that
good is (-) 1 ?
Q.2. The market demand for a good at Rs. 5 per unit is 100
units. When price changes market demand rises to 150 units. Find
out the new price if price elasticity of demand is (-) 2.5?
Q.3. The market demand for a good at a price of Rs. 10 per unit
is 100 units. When its price changes its market demand falls to 50
units. Find out the new price if the price elasticity of demand is
(-) 2?
Q.4. A consumer buys 160 units of a good at a price of Rs. 8 per
unit Price falls to Rs.6 per unit. How much quantity will consumer
buy at a new price if price elasticity of demand is (-) 1?
Q.5. A consumer buys 200 units of a good at a price of Rs. 5 per
unit. When the price changes he buys only 100 units. If price of
elasticity of demand is (-) 1, find the changed price.
Q.6. When the price of a commodity is Rs. 20 per unit, its
quantity demanded is 800 units. When its price rises by Rs. 5 per
unit, its quantity demanded falls by 20%. Calculate its price
elasticity of demand. Is its demand elastic? Give reasons for your
answer.
Q.7. When the price falls from Rs. 20 per unit to Rs. 16 per
units its quantity demanded rises from 1000 units to 1160 units.
Calculate elasticity of demand. Is it inelastic? Give reason.
Q.8. Price elasticity of demand is (-) 2. 40units of this good
are bought at a price of Rs. 11 per unit. Calculate.
Q.9. The quantity demanded of a commodity at its price of Rs. 8
per unit is 600 units. Its price falls by Rs. 25% and quantity
demanded rises by 120 units. Calculate its price elasticity of
demand.is its demand elastic? Give reason for your answer.
Q.10. A consumer buys 80 units of a good at aprice of Rs. 5
unit. Suppose price elasticity of a demand is (-) 2. At what price
will he buy 64 units?
Q.11. Price of a good rises from Rs. 10 unit. As a result,
quantity demanded of that good that falls by 10%. Calculate its
price elasticity of demand.
Q.12. Price of a good falls Rs. 6 to Rs. 3 per unit. As a
result, its demand rises from 30 units to 60 units. Find out price
elasticity of demand by total expenditure method.
Q.13. A consumer buys 50 units of a good at a price of Rs. 10
unit. When price falls to Rs. 5 per unit he buys 100 units. Find
out the price elasticity of demand by the total expenditure
method.
Q.14. a consumer buys 40 units of a good at a price of Rs. 3 per
unit. When price rises to Rs. 4 per unit he buys 30 units.
Calculate price elasticity of demand by the total expenditure
method.
Q.15. A consumer buys 70 units of a good at a price of Rs. 7 per
unit. When price falls to Rs. 6 per unit he buys 90 units. Use of
total expenditure method to find whether the demand for a good is
elastic or inelastic.
Q.16. when the price of the good falls by 10%, its quantity
demanded rises from 40 units. Calculate price elasticity of the
demand by the percentage method.
Q.17. The price of the commodity rises from Rs. 10 to Rs. 12 and
consequently the demand falls from 100 units to the 80 units.
Determine the price elasticity of the demand for that
commodity.
Q.18. Determine price elasticity of demand by the total
expenditure method.
Price
Total Expenditure
11
121
10
50
Q.19. Determine price elasticity of demand using percentage
method. Given are:
Price
Total Expenditure
20
200
15
300
Q.20. The price of the commodity rises from Rs. 4 to Rs. 20 per
unit. Consequently, its demand falls by 40 units and becomes 80
units. Determine the elasticity of the demand.
Q.21. Price of good falls from Rs. 8 to Rs. 6. As a result,
demand falls by 4%. Find out the price elasticity of demand. Is
this demand elastic or inelastic?
Q.22. Price of a good rises by 10%. As a result demand falls by
4%. Find out price elasticity of demand. Is the demand elastic or
inelastic?
Q.23. Price of the demand of a good is (-) 3. If the price rises
from Rs. 10 per units to Rs.12 per unit, what is the percentage
change in the demand?
Q.24. A consumer buys a certain quantity of a good at a price of
Rs. 10 per unit. When price falls to Rs. 8 per unit, she buys 40%
more quantity. Calculate price elasticity of a demand.
Q.25. When the price of the commodity rises from Rs. 10 per unit
to Rs. 11 per unit, its quantity demanded falls by 15%. Calculate
its elasticity of demand.
Q.26. Calculate the price elasticity of demand for a commodity
when its price increases by 25% and quantity demanded falls from
150 units to 120 units.
Q.27. The quantity demanded on a commodity rises from 800 units
to 850 units, when the price of the commodity falls from Rs. 20 per
unit to Rs. 19 per unit. Calculate its elasticity of demand.
Q.28. A 5 percent rise in price of a good leads to 5% fall in
demand. A consumer buys 100 units of good when price is Rs. 5 per
unit. At what price will the consumer buys 120 units?
Calculate.
Q.29. From the following data calculate price elasticity of
demand:
Price
Total expenditure
9
100
9
150
Q.30. A consumer buys 10 units of a good at a price of Rs. 9 per
unit. At price of Rs. 10 per unit he buys 9 units. What is price
elasticity of demand? Use expenditure approach. Comment on the
likely shape of demand curve on the basis of this measure of
elasticity.
Numericals ( Elasticity of Supply )
Q.1. A 15% change in the price of the commodity results in a
rise in its supply from 600 units to 735 units. Calculate its
elasticity of supply.
Q.2. Commodities X & Y have equal price elasticity of
supply. The supply of X rises from 400 units to 500 units due to a
20% rise in its price. Calculate the percentage fall in supply of
commodity Y if its price falls by 8 %.
Q.3.The price elasticity of supply of a commodity X & Y are
equal. The price of X falls from Rs. 10 to Rs. 8 per unit and its
quantity supplied fall by 16%. The price of Y rises by 10 %.
Calculate the percentage increase in its supply.
Q.4. A producer supplies 200 units of a good at Rs. 10 per unit.
Price elasticity of supply is 2. How many units will the producer
supply at a price of Rs. 11?
Q.5. A firm supplies 1000 nits of a commodity at a price of Rs.
5 per unit. Price elasticity of a supply is 1. At what price will
the firm supply 800 units? Calculate.
Q.6. A firm supplies 500 units of a good at a given price. Price
elasticity of a supply is 4. When price rises by Re. 1 the firm
supplies 1000 units. What is the price given? Calculate.
Q.7. A firm supplies a certain quantity of a good at a price of
Rs. 10 per unit. When the price changes to Rs. 9 per unit, the firm
supplies 10 unit less. Price elasticity of a supply is 1. What is
the quantity supplied before change? Calculate.
Q.8. A firm supplies 200 units of a good at a price of Rs. 5 per
unit. When the price changes it supplies 100 units less. Price
elasticity of supply is 2.5. Calculate price affect change.
Q.9. A firm supplies 100 units of a good at a given price. When
price falls by one rupee per unit, the firm supplies 70 units.
Price elasticity of supply is 3. Calculate the given price.
Q.10. A price of Rs. 5 per unit of commodity A, total revenue is
Rs. 800. When its price rises by 20%, total revenue increases by
Rs. 400. Calculate its price elasticity of supply.
Q.11. Total revenue is Rs. 400 when the price of the commodity
is Rs. 2 per unit. When price rises to Rs. 3 per unit, the quantity
supplied is 300 units. Calculate the price elasticity of
supply.
Q.12. When the price of a commodity rises by 10%, it supply
rises by 40 units. Its elasticity of supply is 1. Calculate its
supply at the original price.
Q.13. The price of the commodity falls by 15% and its supply
falls from 200 units to 155 units. Calculate its elasticity of
supply.
Q.14.Price elasticity of supply of a commodity is 1. Its price
rises from Rs. 20 to Rs. 24 per unit and its supply rises by 300
units. Calculate its supply at an original price of Rs.20 per
unit.
Q.15. A piece of Rs. 10 unit, the supply of the commodity is 300
units. Its elasticity of supply is 1.5. Its price increases by 20%.
Calculate its supply at the increased price.
Q.16. When the price of a good rises from Rs. 20 per unit to Rs.
30 per unit, the revenue of the firm producing this good rises from
Rs. 100 to Rs.300. calculate the price elasticity of supply.
Q.17.A firm’s revenue rises fromRs. 400 to Rs. 500 when the
price of its product rises from Rs. 20 per unit to Rs. 25 per unit.
Calculate the price elasticity of supply.
Q.18.The price elasticity of supply of a good is 0.8. Its price
rises by 50%. Calculate the percentage increase and the supply.
Q.19. A firm supplies 10 units of a good at a price of Rs. 5 per
unit. Price elasticity of a supply is 1.25. What quantity will the
firm supply at a price of Rs. 7 per unit?
Q.20. The price elasticity of supply of a commodity is 2.0. A
firm supplies 200 units of it at a price of Rs. 8 per unit. At what
price will it supply 250 units?
Thank You
PHYSICS:
1. An object is moving with velocity 36 m/s , calculate the
distance travelled buy it in 1 hour. is it really the distance
travelled or the displacement , what will be the correct term for
it.
2. An object is rolling on inclined surface , which type of
motion is this ?
3. Distinguish between velocity and speed, if I say an object is
going north with speed of 30m/s , will it be a correct statement or
not?
4. For racing purpose which type of cars should we use,a ) a car
with more acceleration b) a car with less accelerationjustify your
answer in detail.
5. If a person covers (x) distance in y seconds, z distance in y
seconds and p distance in y secondscalculate the average speed of
that person.
6. Derive all three equation of motion and also define the
uniform circular motion.
7. Distinguish between uniform and non-uniform motion.
8. Collect the data and images of different bikes and cars,
paste their images and find out the acceleration of each of them,
and find out which one is best for acceleration purpose.(at least
10), also mention which one is your favorite. Also mention the
importance of acceleration .
Subject- Chemistry
Solid State
1. What is the number of atoms per unit cell in a body-centred
cubic structure?
2. What is the total number of atoms per unit cell in a
face-centred cubic (fcc) structure?
3. Which point defect in crystals of a solid in which density
decreases, increases or remain same?
4. A compound of element X and Y has crystalline nature. The ccp
lattice is formed by anions of element Y and cation of element X
occupies 2/3rd of the octahedral voids. What will be the formula of
the compound?
5. Account for the following:
(a) Glass of old building is milky.
(b) Crystalline substances are anisotropic.
6. Explain each of the following with a suitable example:
(i) Paramagnetism
(ii) Antiferromagnetism
(iii) Frenkel defect in crystals
(iv) Ferromagnetism
(v) Ferrimagnetism
(vi) Schottky defect
7. (a) Explain electrical property of substances on the basis of
Band Theory.
(b) Describe the two main types of semiconductors.
8. How would you account for the following?
(i) Frenkel defects are not found in alkali metal halides.
(ii) Schottky defects lower the density of related solids.
(iii) Impurity doped silicon is a semiconductor.
9. Iron has a body-centred cubic unit cell with a cell edge of
286.65 pm. The density of iron is 7.87 g cm−3. Use this information
to calculate Avogadro’s number.
(At. Mass of Fe = 56 g mol−1)
Solutions
1. State Henry’s law correlating the pressure of a gas and its
solubility in a solvent and mention two applications for the
law.
2. An antifreeze solution is prepared from 222.6 g of ethylene
glycol [C2H4(OH)2] and 200 g of water. Calculate the molality of
the solution. If the density of this solution be 1.072 g mL−1, what
will be the molarity of the solution?
3. Calculate the temperature at which a solution containing 54 g
of glucose, (C6H12O6), in 250 g of water will freeze. (Kf for water
= 1.86 K mol−1 kg)
4. State Raoult’s law for solutions of volatile liquids. Taking
suitable examples explain the meaning of positive and negative
deviations from Raoult’s law. Why are they caused?
5. Define the term osmotic pressure. Describe how the molecular
mass of a substance can be determined by a method based on
measurement of osmotic pressure?
6. Differentiate between molality and molarity of a solution.
What is the effect of change in temperature of a solution on its
molality and molarity?
7. 100 mg of a protein is dissolved in just enough water to make
10.0 mL of solution. If this solution has an osmotic pressure of
13.3 mm Hg at 25°C, what is the molar mass of the protein? (R =
0.0821 L atm mol−1 K−1 and 760 mm Hg = 1 atm)
8.. A solution prepared by dissolving 1.25 g of oil of winter
green (methyl salicylate) in 99.0 g of benzene has a boiling point
of 80.31 °C. Determine the molar mass of this compound. (B.P. of
pure benzene = 80.10 °C and Kb for benzene = 2.53 °C kg mol−1)
9. Calculate the freezing point depression expected for 0.0711 m
aqueous solution of Na2SO4. If this solution actually freezes at
−0.320°C, what would be the value of Van’t Hoff factor? (Kf for
water is 1.86 °C mol−1)
Electrochemistry
1. Express the relation between conductivity and molar
conductivity of a solution.
2. What is primary cell? Give an example.
3. The resistance of a conductivity cell containing 0.001 M KC1
solution at 298 K is 1500Ω. What is the cell constant if the
conductivity of 0.001 M KCl solution at 298 K is 0.146×10−3 S
cm−1?
4. Predict the products of electrolysis in the following:
(i) A solution of H2SO4 with platinum electrodes.
(ii) A solution of CuCl2 with Pt electrodes.
(iii) A solution of AgNO3 with silver electrode
5. What type of a cell is the lead storage battery? Write the
anode and the cathode reactions and the overall reaction occurring
in a lead storage battery while operating.
6. Formulate the galvanic cell in which the following reaction
takes place:
Zn(s) + 2Ag+(aq) Zn2+ (aq) + 2Ag(s)
State:
(i) Which one of its electrodes is negatively charged.
(ii) The reaction taking place at each of its electrode.
(iii) The carriers of current within this cell.
7. Corrosion is essentially an electrochemical phenomenon.
Explain the reactions occurring during corrosion of iron kept in an
open atmosphere.
8. Conductivity of 0.00241 M acetic acid solution is 7.896 ×
10−5 S cm−1. Calculate its molar conductivity in this solution. If
for acetic acid be 390.5 S cm2 mol−1, what would be its
dissociation constant?
9. Three electrolytic cells A, B and C containing solutions of
zinc sulphate, silver nitrate and copper sulphate respectively, are
connected in series. A steady current of 1.5 ampere was passed
through them until 1.45 g of silver was deposited at the cathode of
cell B. How long did the current flow? What mass of copper and what
mass of zinc were deposited in the concerned cells?
(Atomic masses of Ag = 108, Zn = 65.4, Cu = 63.5)
10. Define molar conductivity of a substance and describe how
for weak and strong electrolytes, molar conductivity changes with
concentration of solute. How is such change explained?
11. A voltaic cell is set up at 25°C with the following
half-cells:
Al | Al3+ (0.001 M) and Ni | Ni2+ (0.50 M)
Calculate the cell voltage.
13. Calculate the equilibrium constant and Δ rG° for the
reaction
14. One half cell in a voltaic cell is constructed from a silver
wire dipped in silver nitrate solution of unknown concentration.
Its other half-cell consists of a zinc electrode dipping in 1.0 M
solution of Zn (NO3)2. A voltage of 1.48 V is measured for this
cell. Use this information to calculate the concentration of silver
nitrate solution used.
15. (a) State Kohlrausch law of independent migration of ions.
Write an expression for the molar conductivity of acetic acid at
infinite dilution according to Kohlrausch law.
(b) Calcualtefor acetic acid.
Given that (HCl) = 426 S cm2 mol−1
(NaCl) = 126 S cm2 mol−1
(CH3COONa) = 91 S cm2 mol−1
Chemical Kinetics
1. For the reaction the rate law is expressed as
rate = k[Cl2][NO]2. What is the overall order of this
reaction?
2. The decomposition of NH3 on platinum surface, is a zero order
reaction with k = 2.5 × 10−4 M s−1. What are the rates of
production of N2 and H2?
3. Define the term
(i) rate of a reaction.
(ii) order of reaction
4. A first order decomposition reaction takes 40 minutes for 30%
decomposition. Calculate its t½value.
5. What is meant by the ‘rate constant, k’ of a reaction? If the
concentration be expressed in mol L−1 units and time in seconds,
what would be the units for k (i) for a zero-order reaction and
(ii) for a first-order reaction?
6. (a) Derive the general form of the expression for the
half-life of a first-order reaction.
(b) The decomposition of NH3 on platinum surface is a zero-order
reaction. What are the rates of production of N2 and H2 if k = 2.5
× 10−4 mol−1 L s−1?
7.(a) List the factors on which the rate of a chemical reaction
depends.
(b) The half-life for decay of radioactive 14C is 5730 years. An
archaeological artefact containing wood has only 80% of the 14C
activity as found in living trees. Calculate the age of the
artefact.
8. A reaction is of second order with respect to a reactant. How
will the rate of reaction be affected if the concentration of this
reactant is
(i) Doubled,
(ii) Reduced to half?
9. A first-order reaction has a rate constant of 0.0051 min−1.
If we begin with 0.10 M concentration of the reactant, what
concentration of reactant will remain in the solution after 3
hours?
10. The rate constant for a reaction of zero order in A is
0.0030 mol L−1 s−1. How long will it take for the initial
concentration of A to fall from 0.10 M to 0.075 M?
11. A reaction is of first order in reactant A and of second
order in reactant Β. How is the rate of this reaction affected when
(i) the concentration of B alone is increased to three times (ii)
the concentrations of A as well as B are doubled?
Computer Science
Develop a project/application using File Handling & Object
oriented Programming technique. The application should enable to
handle following operations:
0. Insert new record
0. Delete record
0. Search a record
0. Modify the record
0. Display the record
The project can be developed on any of following topics:-
4. Railway Reservation System
4. Student Management System
4. Payroll System
4. Hotel Management system
4. Stock management system
4. Library management system
4. Bank Management System
4. Employee Information System
Geography
Practical File
Chapter 1 – Data its source and compilation
Chapter 2- Data processing
Chapter 3 – Geographical representation of data
Home Work notebook
Q1. Visit any of the following geographical location. Hilly or
mountain dessert forested snowy area. Write about its relief,
vegetation, drainage and settlements.
Q2. Find out from the travel agent the document you need to
travel abroad
Q3. Visit a village and observe the cultivation of some crops.
Ask the farmer and make a list of various operations
Q.4. With the help of internet find out the latest Human
Development Report.
Q.5. Has someone in your family migrated. Write about his place
of destination, what made him migrate.
Biology
Q.N1-Define asexual reproduction and write its advantage.
Q2-How sexually reproduced offspring are more advantageous than
asexually reproduced?
Q3-Writ pre-fertilization and post fertilization events of
sexual reproduction.
Q4-Draw well labeled diagram of Human male reproductive
system.
Q5-Draw well labeled diagram of Human Female Reproductive
System
Q6-Describe spermatogenesis and oogenesis.
Q7-Make graph of hormones in Menstural Cycle and writ their role
in human fmale.
Q8-Describe megagametophyte development in angiospermic
plants.
Q9-Describe embryology of Angiosperms .
Q10-Read unit 1 reproduction indetail and Mendel Law of
Inheritance.