Playing with Numbers-MCQ

Class VIII Math
MCQ for Playing with Numbers
1.   If M is a number such that M ÷ 5 gives a remainder of 1, then which of the following is the one’s digit of M?
        (i) 1
(ii) 6
(iii) 1 or 6
(iv) none of these.
2.   A number divisible by 9 is also divisible by:
        (i) 3
(ii) 6
(iii) 11
(iv) none of these.
3.   If [3X 74] is a number divisible by 9, then the least value of X is:
        (i) 1
(ii) 2
(iii) 3
(iv) 4
4.   If [1X 2Y 6Z] is a number divigible by 9, then the least value of X + Y + Z is:
        (i) 0
(ii) 1
(iii) 6
(iv) 9
5.   The number 2 8 2 2 1 is divisible by which of the following:
        (i) 2
(ii) 3
(iii) 6
(iv) 9
6.   Which of the following is one’s digit of a number, when divided by 5 gives a remainder of 3?
        (i) 8
(ii) 3
(iii) 3 or 8
(iv) none of these.
7.   If the 4-digit number 2X Y7 is exactly divisible by 3, then which of the following is the least value of (X + Y)?
        (i) 3
(ii) 4
(iii) 6
(iv) 6
8.   If a number is divisible by 2, then which of the following cannot be a one’s digit in it?
        (i) 0
(ii) 1
(iii) 2
(iv) 4
9.   If a number is divisible by 5, then which of the following can be its one’s digit?
        (i) 2
(ii) 3
(iii) 4
(iv) 5
10.   If a number is divisible by 10, then which of the following can be its one’s digit?
        (i) 0
(ii) 1
(iii) 3
(iv) 5
Answers