Quantitative Aptitude And Mathematics 15 October Iii

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QUANTITATIVE APTITUDE AND MATHEMATICS

AFTERSCHO☺OL – DEVELOPING CHANGE MAKERS

CENTRE FOR SOCIAL ENTREPRENEURSHIP PGPSE PROGRAMME –

World’ Most Comprehensive programme in social entrepreneurship & spiritual entrepreneurship

OPEN FOR ALL FREE FOR ALL


QUANTITATIVE APTITUDE AND MATHEMATICS

Dr. T.K. Jain.

AFTERSCHO☺OLCentre for social entrepreneurship

Bikaner M: [email protected]

www.afterschool.tk, www.afterschoool.tk

http://www.afterschool.tk/

http://www.afterschoool.tk/


(.027)^1/3 + (.0625)^1/4 is equal to(1) 0.8

(2) 0.085(3) 0.55(4) 0.28

• .3+ .5 = .8 answer.


How many three digit numbers are divisible by 3 and 4?

(1)62(2) 75(3)84

(4) 102

• Let us find LCM of 3 and 4 and use this for dividing the 3 digit numbers.

• 1000/12 = 83 100/12 =8 • 83-8 = 75 answer.


A reduction of 20% in the price of oranges enables one to purchase 5

more oranges for Rs. 20. The reduced price of one orange in

paise is(1)60 (2)80

(3) 100(4) 150


Solution

let us try from options. Let us assume that the old price is 100

paise. We could get 20 oranges earlier. Now let us assume the price is 80 paise. We

get get 25 oranges. Thus the difference of 5 oranges is there. Thus current price is 80 paise. Answer.


A table is sold for Rs. 420. If the gain is 5%, the cost of table is

(1) Rs.441(2) Rs. 415(3) Rs. 400(4) Rs, 339

• 420 *100/105 = 400 answer.


If the sum of the first ‘2n’ natural numbers is 100 more than the sum of the first n natural number. Then find the sum of the first ‘3n’ natural

number.(1) 231 (2) 300(3) 378 (4) 465(5)365 (6) 478


Solution . .

• 2n – n = 100• N = 100• Thus 3n = 300 answer.


In a certain gathering, every manager gave his visiting card to every other manager present at the gathering. Had there been

one more manager present, 30 more visiting cards could have changed hand. Find the total number of visiting cards that would have changed hand, had there been one

less manager at thegathering?

(1) 164 (2) 182 (3) 144(4) 172 (5) 186 (6) 194


Solution…

• Since 30 cards will change hands if one more person joins then the number of persons was 15 when the new member joined (15+15 = 30)

• Let us calculate for 14 members. • (13*14) =182 answer.


circle is divided into 12 equal parts, the points A1 A2 A3A 4A5 A6 A7 A8 as shown in the figure. Find the

ratio of the measure of anglesA1PA4 to A3QA4


SOLUTION . .

• On P angle, we have equal number of dots on both sides therefore it is 90 degree angle.

• At Q angle, we find similar distance from the perimeter, however, the number of dots are 5:6. thus this will get reduced to this extent. Thus it will be 90*5/6 = 75 thus taking their ratio, we get 6:5 as answer.


Six numbers a,b,c, d, e,f are such that = aXb=1,bxc ½, cxd=6, dxe=2, exf= ½. What is the value of (axd :

bxe: cxf)?72 : 1: 9

8:9:924:2:36:1:9

4 : 3 : 2712 : 2 : 3


Solution . ..

• Let us divide AB by BC and multiply it by CD, we get AD = 12

• Let us divide BC by CD and multiply by DE, we get BE it is = 1/6

• Similarly divide CD by DE and multiply by EF we get CF, which is 1.5 answer

• The ratio is 72: 1: 9


A combo pack having a tooth brush and tooth paste cost Rs. 52. If true

cost of the tooth brush drops by 20% and the cost of the toothpaste increases by 50% the pack would

cost Rs. 50. Find the price of toothpaste?

(1) Rs.8( 2)Rs. 9 (3) Rs. 10(4) Rs. 12 (5) Rs. 15 (6) Rs. 16


Solution . .

• 12 answer.


Which of the following will have terminating decimal

representation?


Solution . ..

• 3/24 = .125 in all other cases it is non-terminating.


In the fig, trangle ABC is right L at B. Further, G anf F are Points on AC, D and E are points on AB and BC respectively, such that DEFG is a square. If DG = 6 CM the minimum pos sible

length of AC.


SOLUTION . . .

• It will be 6 * 3 = 18 answer.


The distance between two towns Aurangabad and Patna is 80 Km. A bus left

Aurangabad and travelled at a constant speed towards Patna. Thirty minutes later, Ashish left Aurangabad in his can towards

Patna. He overtook the bus in thirty minutes and continued on his way to Patna. Without stopping at Patna, he

turned back and immediately encountered the bus 80 minutes after he had left Aurangabad. the speed of bus is.


Solution. . .

• The person has taken 80 minutes, plus we had 30 minutes. The bus is about to enter Patna. Thus it takes 110 minues to reach 80 KM. The speed of the bus is 80/1.9 = 44 KM per hour.


ABOUT AFTERSCHO☺OL

Afterschoool conducts three year integrated PGPSE (after class 12th along with IAS / CA / CS) and 18 month PGPSE (Post Graduate Programme in Social Entrepreneurship) along with preparation for CS / CFP / CFA /CMA / FRM. This course is also available online also. It also conducts workshops on social entrepreneurship in schools and colleges all over India – start social entrepreneurship club in your institution today with the help from afterschoool and help us in developing society.


Why such a programme?

• To promote people to take up entrepreneurship and help develop the society

• To enable people to take up franchising and other such options to start a business / social development project

• To enable people to take up social development as their mission

• To enable people to promote spirituality and positive thinking in the world


Who are our supporters?

• Afterschoolians, our past beneficiaries, entrepreneurs and social entrepreneurs are supporting us.

• You can also support us – not necessarily by money – but by being promotor of our concept and our ideas.


About AFTERSCHO☺OL PGPSE – the best programme for developing great

entrepreneurs• Most flexible, adaptive but rigorous programme• Available in distance learning mode• Case study focused- latest cases • Industry oriented practical curriculum• Designed to make you entrepreneurs – not just

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you learn • The only absolutely free course on internet


Workshops from AFTERSCHO☺OL

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Components • Pedagogy curriculum and approach based on IIM Ahmedabad and ISB

Hyderabad (the founder is alumnus from IIMA & ISB Hyderabad)• Meditation, spiritualisation, and self development • Essential softwares for business• Business plan, Research projects• Participation in conferences / seminars• Workshops on leadership, team building etc. • Written submissions of research projects/articles / papers• Interview of entrepreneurs, writing biographies of entrepreneurs• Editing of journals / newsletters• Consultancy / research projects • Assignments, communication skill workshops• Participation in conferences and seminars• Group discussions, mock interviews, self development diaryng • Mind Power Training & writing workshop (by Dr. T.K.Jain)


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India)• Rural development / Social welfare projects


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• AFTERSCHO☺OL will shortly open its branches in important cities in India including Delhi, Kota, Mumbai, Gurgaon and other important cities. Afterschooolians will be responsible for managing and developing these branches – and for promoting social entrepreneurs.


Case Studies

• We want to write case studies on social entrepreneurs, first generation entrepreneurs, ethical entrepreneurs. Please help us in this process. Help us to be in touch with entrepreneurs, so that we may develop entrepreneurs.


Basic values at AFTERSCHO☺OL

• Share to learn more• Interact to develop yourself• Fear is your worst enemy• Make mistakes to learn • Study & discuss in a group• Criticism is the healthy route to mutual support

and help • Ask fundamental questions : why, when, how &

where?• Embrace change – and compete with yourself

only


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Quantitative Aptitude And Mathematics 15 October Iii

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