CBSE Class 8 Mathematics Number Play MCQs Set I

Question. Algebraic expression 4m + 2n will always give
(a) odd number
(b) even number
(c) prime number
(d) negative number

Answer: B

Question. If A is divisible by B, then A is divisible by all the
(a) multiples of B
(b) factors of B
(c) squares of B
(d) digits of B

Answer: B

Question. Puzzles where letters stand for digits are called
(a) riddles
(b) cryptarithms
(c) tables
(d) stories

Answer: B

Question. Product of two consecutive integers is always a multiple of
(a) 3
(b) 2
(c) 5
(d) 6

Answer: B

Question. The sum of five consecutive numbers is 95. What is the middle number?
(a) 17
(b) 18
(c) 19
(d) 20

Answer: C

Question. The expression 2(2m + q) will always give an
(a) odd number
(b) even number
(c) zero
(d) prime number

Answer: B

Question. Multiples of 8 are obtained by repeatedly adding
(a) 4
(b) 2
(c) 8
(d) 1

Answer: C

Question. Number is divisible by 10 only if units digit a is
(a) 1
(b) 5
(c) 0
(d) 2

Answer: C

Question. Sum of digits for 427 is 13, so final remainder for 9 is
(a) 1
(b) 3
(c) 4
(d) 9

Answer: C

Question. Which algebraic expression captures all numbers that leave a remainder of 3 when divided by 5?
(a) 3k – 5
(b) 5k + 3
(c) 5k – 3
(d) 3k + 5

Answer: B

Question. Remainder of 427 divided by 9 is found by adding
(a) 4 + 2
(b) 4 + 2 + 7
(c) 42 + 7
(d) 4 + 27

Answer: B

Question. Units digit of a number is 0, it is divisible by
(a) 3
(b) 10
(c) 7
(d) 11

Answer: B

Question. If 8 divides two numbers separately, it must divide their
(a) product
(b) sum
(c) square
(d) root

Answer: B

Question. 4m + 2q is even because it has a factor of
(a) 4
(b) 3
(c) 2
(d) 5

Answer: C

Question. If 4X + 12 is equal to Y8 then the value of X + Y is
(a) 12
(b) 13
(c) 6
(d) 7

Answer: C

Question. Any multiple of 10 divided by 9 gives remainder same as
(a) number of units
(b) number of tens
(c) zero
(d) one

Answer: B

Question. In PQ x 8 = RS, PQ cannot be 13 because product is a
(a) 2-digit number
(b) 3-digit number
(c) 4-digit number
(d) zero

Answer: B

Question. All odd numbers can be written as sum of two consecutive numbers is
(a) true
(b) false
(c) not possible
(d) maybe

Answer: A

Question. In expression x2 + 2, if x is 3, result is
(a) 11
(b) 9
(c) 10
(d) 12

Answer: A

Question. If the difference between two numbers is an even number, what can be concluded about their parities?
(a) Both must be odd.
(b) Both must be even.
(c) They must have different parities.
(d) Either both are even or both are odd.

Answer: D