Playing with Numbers (Practice Sheet, Class 8)

Write yes or no.

(1) 12, 16, 18, 20, 22 can be divisible from 2.

Solution-

(2) 15, 20, 25, 30… can be divisible from 5?

Solution-

(3) If 31z3 is a multiple of 9, where z is a digit, what is the value of z?

Solution-

Find the values of the letters in each of the following and give reasons for the steps involved.

(4) 2  5

  +  1 A

      3  7

Solution-

(5)  3 4

× 2

6  A

Solution-

(6) 3 5 A

   + A 2 B

     5  7  5

Solution-

(7) If 32z is a multiple of 3, where z is a digit, what is the value of z? Ramesh calculated value of z 1 while another student Radha calculated value of z 4. Find which answer is correct?

Solution-

(8) If 3 4 A

      +1 A 1

4  9 6  Value of A is

(i) 5

(ii) 0

(iii) 4

Solution-

(9) 34268 can be divided by

(i) 2

(ii) 3

(iii) 5

Solution-

(10) 5623 can be divided by

(i) 9

(ii) 5

(iii) none of the above

Solution-

Helping Topics

Playing with Numbers

NCERT solutions, class 8

Picture1

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