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NCERT Class 6 Maths Chapter 3 Playing with Numbers MCQ | Questions & Answers

2022-04-27

NCERT Class 6 Maths Chapter 3 Playing with Numbers MCQ | Questions & Answers: Make use of this article and give a try for the NCERT Class 6 Maths Chapter 3 Playing with Numbers MCQ Quiz. As a result, know your performance and enhance your knowledge in the area you are weaker in. Good Luck!

Page 1 of 3

1. Which is greatest 3-digit number exactly divisible by 8,10,12

A. 960

B. 980

C. 360

D. 120

2. Find the HCF of 27, 63.

A. 2

B. 6

C. 3

D. 9

3. Which of the following numbers is not a factor of 68?

A. 2

B. 4

C. 17

D. 6

4. Divisibility by 2,5,10 can be checked by

A. Last digit

B. Sum of digits

C. Last two digits

D. Last three digits

5. __ is the smallest prime number which is even.

A. 2

B. 4

C. 3

D. 1

6. Which of tfie following numbers is not a factor of 36?

A. 2

B. 4

C. 18

D. 8

7. Find the least number which when divided by 6,15 and 18 leave remainder 5 in each case

A. 95

B. 180

C. 90

D. 185

8. The HCF of 12 and 40 is:

A. 3

B. 4

C. 5

D. 6

9. Which of the following numbers is not a factor of 24?

A. 2

B. 3

C. 4

D. 5

10. L.C.M. of two co-prime numbers is always

A. Product of numbers

B. Sum of numbers

C. None

D. Difference of numbers

11. Every __ of a number is greater than or equal to that number.

A. factor

B. number

C. multiple

D. none to these

12. Which of the following numbers is not a factor of 15?

A. 1

B. 3

C. 4

D. 5

13. Find the L.C.M. of 12 and 18

A. 36

B. 6

C. 12

D. 18

14. What is the H.C.F. of two co-prime numbers?

A. 1

B. 0

C. 2

D. 4

15. Which of the following number is not a factor of 21?

A. 1

B. 3

C. 6

D. 7

16. 4= 2x2 , 15= 3x5, so H.C.F. of 4 and 15 is

A. 1

B. 0

C. 2

D. 3

17. Which of the following numbers is not a factor of 12?

A. 4

B. 2

C. 3

D. 8

18. Which of the following number is not a multiple of 27?

A. 1

B. 3

C. 9

D. 6

19. What is the H.C.F. two consecutive odd numbers

A. 1

B. 2

C. 4

D. 8

20. Which of the following numbers is not a factor of 20?

A. 2

B. 4

C. 5

D. 6

21. What is the H.C.F. two consecutive even numbers

A. 2

B. 4

C. 8

D. 1

22. Which of the following number is not a factor of 18?

A. 2

B. 3

C. 6

D. 8

23. What is the H.C.F. of 18 and 48

A. 6

B. 8

C. 4

D. 2

24. Which of the following number is not a multiple of 6?

A. 12

B. 21

C. 24

D. 36

25. The sum of two consecutive odd number is always divisible by

A. 4

B. 2

C. 6

D. 8

26. Which of the following number is not a multiple of 5?

A. 15

B. 20

C. 30

D. 33

27. The product of three consecutive numbers is always divisible by

A. 6

B. 8

C. 4

D. 2

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28. The number of multiples of a given number is

A. 10

B. 100

C. 1000

D. infinite

29. Which of the following number is not a multiple of 9?

A. 18

B. 36

C. 81

D. 75

30. Which of the following numbers has 4 different prime factors

A. 210

B. 100

C. 120

D. 24

31. The smallest composite number is

A. 4

B. 1

C. 9

D. 6

32. Which of the following expression has prime factors

A. 56=7x2x2x2

B. 70= 2x5x7

C. 54=2x3x9

D. 24=2x3x4

33. What are two numbers called having only 1 as a common factor.

A. co-prime numbers

B. twin prime numbers

C. composite numbers

D. prime numbers

34. The smallest prime number is

A. 1

B. 2

C. 3

D. 4

35. What are the prime factors of greatest 4 digit number

A. 3x3x11x101

B. 9x11x101

C. 3x33x101

D. 3 x3 x 11 x11

36. The HCF of two co-prime numbers is

A. 0

B. 3

C. 2

D. 1

37. The smallest composite number is

A. 1

B. 2

C. 3

D. 4

38. The product of L.C.M and H.C.F. of two numbers is equal to

A. Product of numbers

B. Sum of numbers

C. Difference of numbers

D. Quotients of numbers

39. The HCF of 12 and 16 is

A. 2

B. 4

C. 6

D. 1

40. The prime number which is even, is

A. 2

B. 3

C. 5

D. 13

41. If a number is divisible two co-prime numbers than it is divisible by their

A. Product also

B. Difference also

C. Sum also

D. Quotient also

42. 1 is

A. a prime number

B. a composite number

C. neither prime nor composite

D. an even number.

43. Common factors of 15 and 25 are

A. 5

B. 75

C. 25

D. 15

44. The smallest odd number is

A. 1

B. 2

C. 3

D. 4

45. Which of the following pair is co-prime

A. 18 and 35

B. 6 and 8

C. 7 and 35

D. 30 and 415

46. The smallest even number is

A. 1

B. 2

C. 3

D. 4

47. Two numbers having only 1 as a common factor are called

A. Co- prime numbers

B. Composite numbers

C. Odd numbers

D. Prime numbers

48. The least prime number between 1 and 10 is

A. 2

B. 5

C. 3

D. 7

49.

The missing number is:

A. 2

B. 3

C. 4

D. 1

50. The greatest prime number between 1 and 10 is

A. 7

B. 5

C. 3

D. 2

51. A number is divisible by 4 if its

A. Last two digits are divisible by 4

B. Last digit is 4

C. Last digit is 0

D. Last digit is 8

52. Which of the following numbers is prime?

A. 21

B. 12

C. 17

D. 39

53. Which of the following number is divisible by 3

A. 123

B. 121

C. 124

D. 122

54. Which of the following numbers is composite?

A. 19

B. 23

C. 6

D. 29

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55. If a number is divisible by 2 and 3 both then is divisible by

A. 6

B. 8

C. 10

D. 5

56. Which of the following statements is true?

A. The product of two even numbers is always even.

B. The sum of three odd numbers is even

C. All prime numbers are odd

D. Prime numbers do not have any factors.

57. Which of the following statements is false?

A. All even numbers are composite numbers.

B. If an even number is divided by 2, the quotient may be odd or even.

C. The sum of two odd numbers and one even number is even.

D. Sum of two prime numbers is not always even.

58. Tell the maximum consecutive numbers less then 100 so that there is no prime number between them

A. 7

B. 8

C. 6

D. 5

59. 128 is divisible by

A. 2

B. 3

C. 5

D. 10

60. The sum of two odd and one even numbers is

A. Even

B. Odd

C. Prime

D. Composite

61. 275 is divisible by

A. 5

B. 3

C. 6

D. 8

62. The only prime number which is also even

A. 2

B. 1

C. 4

D. 6

63. 116 is divisible by

A. 2

B. 3

C. 6

D. 8

64. 200 is divisible by

A. 8

B. 3

C. 6

D. 11

65. The multiple of 2 are also called

A. Even numbers

B. Odd numbers

C. Prime numbers

D. Composite numbers

66. 1331 is divisible by

A. 11

B. 2

C. 3

D. 5

67. Which number is neither prime nor composite

A. 1

B. 2

C. 3

D. 0

68. 1000 is divisible by

A. 10

B. 6

C. 3

D. 11

69. All factors of 6 are

A. 1,2,3,6

B. 1,2,3

C. 2,3

D. 1,6

70. The greatest common factor of 8 and 20 is

A. 2

B. 1

C. 4

D. 8

71. Which of the following is an odd composite number?

A. 9

B. 11

C. 12

D. 7

72. The common factor of 9 and 15 is

A. 3

B. 6

C. 9

D. 15

73. The number of even number between 68 and 90 is

A. 11

B. 2

C. 31

D. 10

74. The common factor of 4 and 15 is

A. 1

B. 2

C. 3

D. 5

75. Which of the following pairs of number are not co-prime?

A. 7,15

B. 12,49

C. 18,23

D. 12,21

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