CBSE Class 8 Mathematics Number Play MCQs Set 07

Question. Mahāsiddhānta mentions using digital roots to check
(a) geometry
(b) calculations
(c) time
(d) names

Answer: B

Question. Any number with only 0 and 9 digits is always divisible by
(a) 2
(b) 5
(c) 9
(d) 11

Answer: C

Question. Sum of four consecutive numbers is 34, numbers will be
(a) 1, 2, 3, 4
(b) 7, 8, 9, 10
(c) 5, 6, 7, 8
(d) 10, 11, 12, 13

Answer: B

Question. Numbers like 999, 909, 90 are all divisible by
(a) 2
(b) 5
(c) 9
(d) 11

Answer: C

Question. What is the parity of odd ± odd?
(a) Odd
(b) Even
(c) Cannot be determined
(d) Depends on the numbers chosen

Answer: B

Question. If a number is divisible by 7, then all its multiples are divisible by
(a) 14
(b) 7
(c) 21
(d) 2

Answer: B

Question. In Navakankari, each player starts with how many pawns?
(a) 5
(b) 9
(c) 3
(d) 12

Answer: B

Question. If a divides M and N, then a divides M - N is
(a) always true
(b) sometimes true
(c) never true
(d) maybe

Answer: A

Question. Odd plus odd is always
(a) even
(b) odd
(c) prime
(d) zero

Answer: A

Question. If a number is divisible by 12, what else is it always divisible by?
(a) Only 2 and 6
(b) Only 3 and 4
(c) All the factors of 12
(d) Only 12 itself

Answer: C

Question. Sum of three consecutive even numbers is always divisible by
(a) 9
(b) 6
(c) 4
(d) 5

Answer: B

Question. For 427, adding digits 4 + 2 + 7 gives 13, so remainder for 9 is
(a) 4
(b) 1
(c) 3
(d) 9

Answer: A

Question. Can we write 0 as a sum of consecutive numbers using negative numbers is a
(a) question
(b) answer
(c) formula
(d) table

Answer: A

Question. A number divisible by 12 is also divisible by its
(a) multiples
(b) factors
(c) squares
(d) signs

Answer: B

Question. What is the shortcut for divisibility by 3?
(a) The number must end in 0, 3, 6, or 9.
(b) The sum of its digits must be divisible by 3.
(c) It must be an even number.
(d) The product of its digits must be divisible by 3.

Answer: B

Question. 99 is divisible by 9, but 109 is
(a) divisible
(b) not divisible
(c) even
(d) multiple of 10

Answer: B

Question. In expanded form of edcba, the letter c represents
(a) units
(b) tens
(c) hundreds
(d) thousands

Answer: C

Question. If a number has units digit 9, it is not always divisible by
(a) 1
(b) 3
(c) 9
(d) 10

Answer: C

Question. If digital root of a number is 5, digital root of 10 more than it will be
(a) 5
(b) 6
(c) 15
(d) 1

Answer: B

Question. If a number is divisible by 15, when reversed it is divisible by
(a) 15
(b) 6
(c) 10
(d) 2

Answer: B