Check the below NCERT MCQ Questions for Class 6 Maths Chapter 3 Playing with Numbers with Answers Pdf free download. MCQ Questions for Class 6 Maths with Answers were prepared based on the latest exam pattern. We have provided Playing with Numbers Class 6 Maths MCQs Questions with Answers to help students understand the concept very well.

## Q1.Which of these numbers is a factor of every number?

(1)1

(2)0

(3)4

(4)2

## Answer

Answer: 1

## Q2.Which of them is prime number?

(1)6

(2)3

(3)8

(4)9

## Answer

Answer: 3

## Q3.Which of them is composite number?

(1)5

(2)6

(3)3

(4)7

## Answer

Answer: 6

## Q4.Which of the following numbers is not a factor of 20?

(1)4

(2)2

(3)6

(4)5

## Answer

Answer: 6.

## Q5.Which of the following numbers is not a factor of 12?

(1)2

(2)4

(3)8

(4)3

## Answer

Answer: 8.

## Q6.Which of the following numbers is a prime number?

(1)11

(2)10

(3)15

(4)12

## Answer

Answer: 11

## Q7.Which of the following number is not a multiple of 6?

(1)21

(2)12

(3)36

(4)24

## Answer

Answer: 21

## Q8.Which of the following number is not a multiple of 5?

(1)20

(2)15

(3)33

(4)30

## Answer

Answer: 33.

## Q9.Which of the following number is not a factor of 18?

(1)3

(2)2

(3)8

(4)6

## Answer

Answer: 8.

## Q10.Which of the following is the prime factorisation of 140?

(1) 2 × 2 × 5

(2) 2 × 2 × 7

(3) 2 × 2 × 5 × 7 × 3

(4) 2 × 2 × 5 × 7

## Answer

Answer: 2 × 2 × 5 × 7

## Q11.Which of the following is the L.C.M. of 36 and 72?

(1)72

(2)36

(3)2

(4)108

## Answer

Answer: 72

## Q12.Which is the number that is neither prime nor composite?

(1)1

(2)0

(3)5

(4)2

## Answer

Answer: 1

## Q13.What is the H.C.F. of two co-prime numbers?

(1)0

(2)1

(3)4

(4)2

## Answer

Answer: 1

## Q14.What is the H.C.F. of 120, 144 and 216?

(1)24

(2)38

(3)144

(4)120

## Answer

Answer: 24

## Q15.What are two numbers called having only 1 as a common factor.

(1) twin prime numbers

(2) co-prime numbers

(3) prime numbers.

(4) composite numbers

## Answer

Answer: co-prime numbers

## Q16.What are the numbers which have more than two factors called?

(1) Prime numbers

(2) Even numbers

(3) Odd numbers

(4) Composite numbers

## Answer

Answer: Composite numbers

## Q17.What are the numbers which are multiples of 2 called?

(1) Even numbers

(2) Odd numbers

(3) Composite numbers

(4) Prime numbers

## Answer

Answer: Even numbers

## Q18.Value of 30 + 14 ÷ 2 is:

(1)29

(2)22

(3) none of these

(4)37

## Answer

Answer: 37

## Q19.The value of 18 – 3 × 4 + 1 is:

(1)75

(2)61

(3) none of these

(4)7

## Answer

Answer: 7

## Q20.The value of 10 + 40 ÷ 8 × 2 – 9 is:

(1)10

(2)9

(3)12

(4)11

## Answer

Answer: 11

## Q21.The sum of two odd and one even numbers is

(1) Prime

(2) Even

(3) Odd

(4) Composite

## Answer

Answer: Even

## Q22.The smallest prime number is:

(1)2

(2)1

(3) none of these

(4)3

## Answer

Answer: 2

## Q23.The smallest composite number is

(1)1

(2)4

(3)6

(4)9

## Answer

Answer: 4

## Q24.The only prime number which is also even is

(1)1

(2)6

(3)4

(4)2

## Answer

Answer: 2

## Q25.The number which is divisible by 5 is:

(1)423

(2)422

(3)425

(4)424

## Answer

Answer: 425

## Q26.The number which is divisible by 3 is:

(1)136

(2)135

(3)139

(4)137

## Answer

Answer: 135

## Q27.The number which is divisible by 2 is:

(1)136

(2)135

(3)139

(4)137

## Answer

Answer: 136

## Q28.The number of multiples of a given number is

(1)100

(2)10

(3) infinite

(4)1000

## Answer

Answer: infinite

## Q29.The LCM of 8 and 6 is:

(1)24

(2)22

(3)28

(4)26

## Answer

Answer: 24

## Q30.The LCM of 12, 15, 45 is:

(1)180

(2)170

(3)200

(4)190

## Answer

Answer: 180

## Q31.The largest three digit number which is exactly divisible by 3 is:

(1)996

(2)999

(3) none of these

(4)992

## Answer

Answer: 999

## Q32.The HCF of two co-prime numbers is

(1)3

(2)0

(3)1

(4)2

## Answer

Answer: 1

## Q33.The HCF of 12 and 40 is:

(1)4

(2)3

(3)6

(4)5

## Answer

Answer: 4

## Q34.The HCF of 12 and 16 is

(1)4

(2)2

(3)1

(4)6

## Answer

Answer: 4

## Q35.The common factors of 24 and 40 are:

(1) 1, 2, 4, 8

(2) 1, 3, 4, 8

(3) none of these

(4) 1, 4, 5, 9

## Answer

Answer: 1, 2, 4, 8

## Q36.Prime factors of 45 are:

(1) 3, 15

(2) 5, 9

(3) none of these

(4) 3, 3, 5

## Answer

Answer: 3, 3, 5

## Q37.Number of factors of a given number are _______.

(1) infinite

(2) finite

(3)2

(4)3

## Answer

Answer: finite

## Q38.If a number is divisible by 2 and 3 both then is divisible by

(1)6

(2)3

(3)7

(4)5

## Answer

Answer: 6

## Q39.If a number is divisible by 10, then which of the following can be its ones digit?

(1)3

(2)2

(3)0

(4)4

## Answer

Answer: 0

## Q40.Find the HCF of 27, 63.

(1)6

(2)2

(3)9

(4)3

## Answer

Answer: 9

## Q41.Every prime number except ______ is odd.

(1)7

(2)5

(3)3

(4)2

## Answer

Answer: 2

## Q42.Every __ of a number is greater than or equal to that number.

(1) number

(2) factor

(3) none to these

(4) multiple

## Answer

Answer: multiple

## Q43.Choose the maximum consecutive numbers less than 100 so that there is no prime number between them.

(1)5

(2)6

(3)8

(4)7

## Answer

Answer: 7

## Q44.A prime number is a number which:

(1) is not divisible by 2

(2) is divisible by 2

(3) has exactly two factors

(4) has no factors

## Answer

Answer: has exactly two factors

## Q45.901153 is divisible by ___.

(1)5

(2)3

(3)7

(4)11

## Answer

Answer: 11

## Q46._____ is the factor of 68.

(1)5

(2)6

(3)17

(4)3

## Answer

Answer: 17

## Q47.__ is the smallest prime number which is even.

(1)4

(2)2

(3)1

(4)3

## Answer

Answer: 2