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Std : 6 1Mental Maths Competition® 2013
SECTION 1 (Mental Maths Calculation)
1. 35610 less than 64321 =_______(a) 28611 (b) 28911
(c) 28711 (d) 27811
2. 5164 more than 41363 =_______(a) 46427 (b) 46327
The perimeter of shaded figure is _________ cm(a) 17 cm (b) 18 cm (c) 19 cm (d) 22 cm
62. An employee took 3 hr 20 min to wash 8 cars if the employee tookan equal amount of time to wash each car, how much time hetook to wash 14 cars?(a) 5 hrs 40 min (b) 5 hrs 50 min (c) 5 hrs 30 min (d) 4 hrs 50 min
63. Which of the following numbers is perfect square number _______(a) 1764 (b) 1763 (c) 1765 (d) 1766
64. Amit is 7 years 7 months old now. Suhas is twice as old as Amitand he is 3 years 7 months older than Raju. How old will Rajube in 4 months.(a) 10 years 5 months (b) 12 years 7 months
(c) 11 years 11 months (d) 13 years
65. Find the 15th term is the number sequence. 4, 7, 10,13, ........(a) 48 (b) 47 (c) 45 (d) 46
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1 cm
1 cm
Std : 6 7Mental Maths Competition® 2013
66. Study the figure below carefully andfind the perimeter of the figure.
(a) 69 m (b) 70 m (c) 71 m (d) 72 m
67. 20% of 90 + 15% of 40 + 25% of 80 = _________(a) 42 (b) 44 (c) 43 (d) 45
68. At the sale, shirts were sold at 3 for 480 and 5 for ̀ 700, howmuch Mrs. Joshi pay for 38 shirts?(a) 5180 (b) 5280 (c) 5380 (d) 5480
69. Mohit read 41
of a book. If he read further 40 pages, he would
have read 43
of the book. How many pages were there in the
book.(a) 120 (b) 130 (c) 140 (d) 80
70. Ajay spent ` 210 for 4 notebook and 6 pens, if cost of notebookis ` 30. Find cost of 10 pens.(a) ` 150 (b) ̀ 140 (c) ̀ 170 (d) ̀ 180
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14 m
2 m
6 m
4 m
12 m
20 m
8 m 3 m
Std : 6 8Mental Maths Competition® 2013
71. In a group of 120 pupils, 52
of them wore glasses, of these 41
were girls and rest are boys . How many boys in the group woreglasses?(a) 36 (b) 42 (c) 35 (d) 34
72. A Jug can hold 6l of water. 2 Jugs can hold as much water as6 bottles. Find the volume of bottle?(a) 4 l (b) 2 l (c) 1 l (d) 5 l
73. The mass of box A is 8 kg more than the mass of box B. Themass of box A is 5 times the mass of box C. What is a mass ofBox B if the mass of box C is 15 kg?(a) 84 kg (b) 82 kg (c) 86 kg (d) 67 kg
74. ` 144 were shared among three girls. Amruta received 41
of the
money and Amita received 61
times more than Amruta.
If Mayuri received the rest of the money. How much wasMayuri’s share?(a) ` 63 (b) ̀ 66 (c) ` 65 (d) ̀ 64