MCQ Questions

Question No. 1

Fill in the blanks:

Answer :

(a) Every number is a factor of ______.

(b) Every ___________ number is a factor of itself.

(c) Every natural number is a factor of __________.

(d) _______ is the smallest factor of every number.

Question No. 2

True or False:

Answer :

(a) The factors of 28 are 1, 2, 4, 7,14 and 28.

(b) A number can be exactly divided by all its factors.

(c) A number can have a factor greater than itself.

Question No. 3

One word answer:

Answer :

(a) What are the numbers which have only two factors 1 and the number itself called?

(b) Which is the smallest factor of 12?

Question No. 4

Solve -

Answer :

1. 48 boxes of Rasgullas have to be kept in equal piles. What are the piles of equal number of boxes that can be made?

Question No. 5

Fill in the blanks :

Answer :

(a) 4, 8, ___, 16, ____, 24, ____

(b) 5, 10, ____, ____, 25

(c) 9, 18, ___, ____, 45, ____, ____

(d) 7,14,____,____,35,____

(e) 12, 24, ___, ____, 60, ____, ____

(f) 6, 12, ____, ____, 30, ____

Question No. 6

Find the factors of the following numbers using multiplication :

Answer :

(a) 15 (b) 20 (c) 24 (d) 36 (e) 41

(f) 55 &nbs

Question No. 7

Find the factors of the following numbers using division :

Answer :

(a) 16 (b) 23 (c) 39 (d) 45 (e) 54

(f) 66 &nbs

Question No. 8

Find out the products of the following pairs of numbers and find factors of the products obtained.

Answer :

(a) 8, 12 (b) 11,4 (c) 12, 13 (d) 14, 11

Question No. 9

State whether the following statements are ‘True’ or ‘False’ :

Answer :

(a) 7 is a factor of 105.

(b) 0 is a factor of 236.

(c) 1 is a factor of every number.

(d) 539 is a factor of 0.

(f) 13 is a factor of 99.

Question No. 10

Make a factor tree for each of the following numbers:

Answer :

(a) 24 (b) 15 (c) 48 (d) 63 (e) 81

(f) 96 (g) 124 (h) 144

Question No. 11

Find the common factors for each of the following :

Answer :

Question No. 12

Write the next three multiples :

Answer :

(a) 3, 6, 9, ——, ——, ——

(b) 10, 20, 30, ——, ——,——

(c) 16, 32, 48, ——, ——, ——

(d) 15, 30, 45, ——, ——, ——

(e) 9, 18, 27, ——, ——, ——

(f) 50, 100, 150, ——, ——, ——

Question No. 13

Write the first five multiples of the following:

Answer :

(a) 11 (b) 14 (c) 16 (d) 9 (e) 7

(f) 15 (g) 18 (h) 20

Question No. 14

Put a tick (✓) in the blank if the first number is a multiple of the second :

Answer :

Question No. 15

Say whether the following are ‘True’ or ‘False’ :

Answer :

(e) Since 5 × 3 = 15, 15 is a multiple of both 5 and 3.

(c) 1 is not a multiple of every number.

(d) 6 is multiple of 25.

(a) 3, 6, 9, 12, 18 are all multiples of 6.

(b) 9, 18, 27, 36,45 are all multiples of 9.

Question No. 16

Write the first 10 multiples of 4 in the gray circle and the first 10 multiples of 6 in the pink circle. Rewrite the common multiples of 4 and 6 in the brown part. (Clue : To get first 10 multiples of 4, multiply 4 by 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10 respectively. Similarly find first 10 multiples of 16).

Answer :

Question No. 17

Shade the boxes pink that contain common multiple of 3 and 5.

Answer :

Question No. 18

List the common multiples of the following using the number line.

Answer :

Question No. 19

Find the first three common multiples of :

Answer :

(a) 4,5 (b) 2,6 (c) 6,3 (d) 4,8 (e) 3,7

(f) 5,6 (g) 4,6 (h) 6,8

Question No. 20

Fill up the blanks :

Answer :

Question No. 21

_______ is the smallest factor of 12.

Answer :

1

2

3

Question No. 22

________ is the greatest factor of 12.

Answer :

11

12

both of these

Question No. 23

______ of a product divide it exactly

Answer :

Factors

Multiples

none of these

Question No. 24

Every factor of 12 is less than or equal to _________.

Answer :

10

11

12

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