CBSE Class 6 Mathematics Prime Time MCQs Set A

Question. In the game played till 90, how many times children say Idli-Vada?
(a) 6
(b) 10
(c) 15
(d) 2

Answer: A

Question. In the ‘idli-vada’ game, which of these numbers would you say ‘idli-vada’ for?
(a) 10
(b) 15
(c) 20
(d) 25

Answer: B

Question. The smallest 4-digit palindrome divisible by 4 is
(a) 1001
(b) 2002
(c) 4004
(d) 1221

Answer: A

Question. What is the prime factorization of 18?
(a) 2 × 3 × 3
(b) 2 × 2 × 3
(c) 2 × 9
(d) 3 × 6

Answer: A

Question. The number 1 is
(a) Prime
(b) Composite
(c) Neither prime nor composite
(d) Both prime and composite

Answer: C

Question. What are the common factors of 14 and 36?
(a) 1 and 2
(b) 1 and 7
(c) 1 and 4
(d) 1 and 3

Answer: A

Question. Numbers having only two factors are called
(a) Composite numbers
(b) Prime numbers
(c) Even numbers
(d) Big numbers

Answer: B

Question. What is the smallest prime number?
(a) 1
(b) 2
(c) 3
(d) 5

Answer: B

Question. What jump size can reach both 15 and 30?
(a) 4
(b) 7
(c) 5
(d) 9

Answer: C

Question. Which of these numbers is divisible by both 4 and 5?
(a) 20
(b) 30
(c) 40
(d) 45

Answer: A

Question. Numbers divisible by 5 end with either 0 or
(a) 2
(b) 5
(c) 10
(d) 3

Answer: B

Question. What is the smallest prime number greater than 10?
(a) 11
(b) 13
(c) 14
(d) 12

Answer: A

Question. Which of these is divisible by 5?
(a) 123
(b) 456
(c) 780
(d) 111

Answer: C

Question. Which number below has exactly three distinct prime factors?
(a) 30
(b) 45
(c) 60
(d) 91

Answer: A

Question. Numbers that have only two factors are called
(a) Composite numbers
(b) Even numbers
(c) Prime numbers
(d) Big numbers

Answer: C

Question. Which number has 1, 2, 4, 7, 14, and 28 as its factors?
(a) 14
(b) 28
(c) 21
(d) 35

Answer: B

Question. If the game is played till 900, Idli-Vada will be said
(a) 60 times
(b) 6 times
(c) 100 times
(d) 50 times

Answer: A

Question. Which is the first even prime number?
(a) 2
(b) 4
(c) 6
(d) 8

Answer: A

Question. Numbers having more than two factors are called
(a) Prime numbers
(b) Composite numbers
(c) Odd numbers
(d) Small numbers

Answer: B

Question. Which of these is a co-prime pair?
(a) 12 and 18
(b) 15 and 35
(c) 17 and 29
(d) 25 and 30

Answer: C