std : 6 2013 1 - mathsshow.com · std : 6 mental maths competition® 2013 1 section 1 (mental maths...

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

(c) 46627 (d) 46527

3. 9810 is _______ less than10000.(a) 190 (b) 170

(c) 180 (d) 201

4. 4736 is _______ more than2500(a) 7235 (b) 2236

(c) 2136 (d) 7036

5. (4346 + 1163) – (2264) =_______(a) 3245 (b) 3145

(c) 3045 (d) 2945

6. (8544 + 3164) – (2134) =_______(a) 8444 (b) 9754

(c) 9574 (d) 8244

7. 3 A 4 3+ 4 3 2 B 7 8 C 7

A + B + C =(a) 15 (b) 16

(c) 17 (d) 18

8. 8 A 7 B– 4 8 2 3 4 1 C 4

A + B + C =(a) 22 (b) 24

(c) 21 (d) 25

9. Which of following is 800less than 2234(a) 1234 (b) 1334

(c) 1134 (d) 1434

10. 3419 is _____ hundreds morethan 2219.(a) 120 (b) 2

(c) 12 (d) 1200

11. 3 1× 4 7_____(a) 1357 (b) 1457

(c) 1257 (d) 1557


12. 6 3× 4 7_____(a) 2961 (b) 2861

(c) 2061 (d) 2261

13. 9 1 4× 2 1 2_______(a) 193668 (b) 193578

(c) 193768 (d) 194678

14. 4 5 6× 3 6 1_______(a) 163616 (b) 164616

(c) 165616 (d) 162616

15. 434723

(a) 179 (b) 187

(c) 169 (d) 189

16. 866419

(a) 356 (b) 556

(c) 456 (d) 656

17. )568( × (5 × 3) – 549

(a) 89 (b) 99

(c) 79 (d) 69

18. [9 × 9] – [4 × 7] – [3 × 6](a) 35 (b) 45

(c) 25 (d) 65

19. 15 tens ÷ 6= ________(a) 45 (b) 35

(c) 40 (d) 25

20. 40 tens × 8 = ________(a) 320 (b) 500

(c) 3200 (d) 50

21. 98

+ 31

=

(a) 1 (b) 911

(c) 97

(d) 2711

22. 61

+ 21

=

(a) 32

(b) 31

(c) 34

(d) 35

23. 169

– 41

=

(a) 163

(b) 166

(c) 165

(d) 164

24. 724

– 41

=

(a) 2886

(b) 2889

(c) 2899

(d) 2887


25. 94

, 21

, 71

, 97

The smallest

fraction is _______

(a) 71

(b) 94

(c) 21

(d) 97

26. 81

, 73

, 94

, 75

the greatest

fraction is ______

(a) 73

(b) 94

(c) 81

(d) 75

27. 41

= 12

The missing number is(a) 46 (b) 47

(c) 48 (d) 43

28. 51

= 4

(a) 30 (b) 20

(c) 35 (d) 40

29. 43

× 98

× 716

=

(a) 3332

(b) 2232

(c) 2132

(d) 2732

30. 89

× 34

× 37

=

(a) 37

(b) 67

(c) 27

(d) 87

31. 76

÷ 4235

=

(a) 3536

(b) 3336

(c) 4136

(d) 4536

32. 709

÷ 3545

=

(a) 103

(b) 101

(c) 107

(d) 1013

33. 7 31

× 13 = _______

(a) 3287

(b) 3285

(c) 3288

(d) 3286

34. 3 41

× 11 = _______

(a) 4

143(b)

4144

(c) 4

141(d)

4142


35. 5 kg 430 grm + 3 kg 650 grm= _________ kg(a) 9 kg 80 gm (b) 8 kg 230 gm

(c) 9 kg (d) 9 kg 300 gm

36. 7 l 375 ml = 2l 325 ml + ____(a) 7l (b) 5 l 05 ml

(c) 7l 350ml (d) 5l 50 ml

37. 6 hr 40 min + 7 hrs 38 min=________(a) 13 hrs 50 min (b) 12 hrs 20min

(c) 14 hrs 18 min (d) 14 hrs 30min

38. 6 hrs 40 min – 5hrs 45 min= _________(a) 1 hr 55 min (b) 1 hr 30 min

(c) 1 hr 40 min (d) 55 min

39. Study the number patternwhat will be the nextnumber.17, 33, 65, .....(a) 130 (b) 131

(c) 129 (d) 132

40. 410, 420, 430, .......(a) 460 (b) 450

(c) 470 (d) 440

SECTION 2(Mental Maths Concepts)

41. 17 hundreds 18 ones – = 674Which following numberrepresent (a) 1044 (b) 1034

(c) 1244 (d) 1144

42. A – 4306 = 5213A = B + 600Find the value of B(a) 8019 (b) 8315

(c) 8919 (d) 8991

43. The L.C.M of 3, 6 and 9 is_________(a) 27 (b) 54

(c) 18 (d) 52

44. The H.C.F. of 7, 14 and 21 is_________(a) 7 (b) 14

(c) 21 (d) 147

45. The sum of divisor of 21 is_________(a) 35 (b) 36

(c) 32 (d) 37


46. Which of the followingnumber is exactly divisible by 6(a) 578 (b) 576

(c) 579 (d) 580

47. Which of the followingnumber exactly divisible by 8(a) 4610 (b) 4612

(c) 4614 (d) 4608

48. 480 hecto gram = ______ mg(a) 48,000 (b) 4,80,000

(c) 4,80,00,000 (d) 4,800

49. 546 decalitre = ____ centilitre(a) 5.45 (b) 5,46,000

(c) 54.6 (d) 54,600

50. 350 metre = _________ hectometre(a) 35 (b) 350

(c) 0.35 (d) 3.5

51. In 5 innings Suraj scored35, 65, 45, 50 and 60. Findhis average score?(a) 51 (b) 41

(c) 61 (d) 71

52. 4.5 + 19.8 + 32.865 =_______(a) 56.165 (b) 58.165

(c) 57.165 (d) 55.165

53. 19.782 – 4.56 = _________(a) 16.222 (b) 15.222

(c) 14.222 (d) 13.222

54. 11.6 × 2.6 = _________(a) 29.16 (b) 31.16

(c) 30.16 (d) 35.16

55. 6.23 ÷ 0.7 = _________(a) 8.9 (b) 7.9

(c) 6.9 (d) 5.9

56. 4 × [31 + {7 + 6 ( 7 – 4) }] =(a) 246 (b) 226

(c) 236 (d) 224

57. [8 + (– 9)] – [4 × – 6] = _______(a) 33 (b) 43

(c) 23 (d) 24

58. 25% of 384 = _________(a) 94 (b) 96

(c) 95 (d) 97

59. 15% of 200 = _________(a) 50 (b) 40

(c) 35 (d) 30

60. 50% of 996 = _________(a) 498 (b) 478

(c) 468 (d) 488


SECTION 3 (Mental Maths Challange)

61.

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

< < <

<

1 cm

1 cm


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

<

<

<

<

<

<

<

< <

<

<

<

<

<

14 m

2 m

6 m

4 m

12 m

20 m

8 m 3 m


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

75. 625529 – 8164 = _________

(a) 31 (b) 32 (c) 36 (d) 35

std : 6 2013 1 - mathsshow.com · std : 6 mental maths competition® 2013 1 section 1 (mental maths...

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