Page 63 - Math Skill - 4

Factors and Multiples 61

Exercise 4.4

1. Check the divisibility of following numbers by 2.

(a) 790 (b) 643 (c) 1804
2. Check the divisibility of following numbers by 3.

(a) 57102 (b) 1812 (c) 4382
3. Check the divisibility of following numbers by 5.

(a) 7576 (b) 8505 (c) 98040
4. Which of the following numbers are divisible by 10?

(a) 23975 (b) 10600 (c) 11010
5. Which of the following numbers are divisible by 6?

(a) 43101 (b) 17670 (c) 10578

ASSESSMENT TIME

COMPETENCY BASED QUESTIONS

A. Multiple-Choice Questions (Tick (3) the Correct Option)
1. The smallest 3-digits number which is divisible by 3 is

(a) 123 (b) 102 (c) 100
2. Every number is the largest factor of __________.

(a) 0 (b) 1 (c) itself
3. 25 is divisible by
(a) 2 (b) 5 (c) 10

4. Only even prime number is
(a) 6 (b) 4 (c) 2

5. LCM of 3 and 5 is
(a) 15 (b) 3 (c) 5
6. HCF of 18 and 24 is

(a) 9 (b) 6 (c) 8

B. Fill in the Blanks
1. The number between 55 and 65 that is divisible by 10 is __________.
2. The smallest even prime number is __________.

3. The number ‘18’ has __________ factors.
4. 6 × 4 = 24, So 24 is multiple of __________ and __________.
5. First multiple of a number is __________.