Page 82 - Maths Class 04

Divisibility by 8 Divisibility by 9

A number is divisible by 8 if its has A number is divisible by 9 if the sum

three zeros at last or the number of its digits is a multiple of 9.
formed by the last three digits from For example : 5418 is divisible by 9

extreme right is divisible by 8. because the sum of its digits (5 + 4 +
For example : 2144 is divisible by 8 1 + 8 = 18) is a multiple of 9 or

because 144 (144 ÷ 8 = 18) is divisible by 9. (5418 ÷ 9 = 602)
divisible by 8. (2144 ÷ 8 = 268)

Divisibility by 10

A number is divisible by 10 if it has ‘0’ at ones (unit) place.

For example : 510, 620, 900, etc. are divisible by 10.

Practice - 5.8
Practice - 5.8
Practice - 5.8
Practice - 5.8
1. Using divisibility test, which of the following numbers are divisible by 8 ?

a. 2518736 b. 318640 c. 816345 d. 206080

e. 918760 f. 410518

2. Using divisibility test, which of the following numbers are divisible by 6 ?

a. 616913 b. 523180 c. 561372 d. 913415

e. 516506 f. 152364

3. Using divisibility test, which of the following numbers are divisible by 5 and 10 ?

a. 621345 b. 650900 c. 875420 d. 242461

e. 920475 f. 923475

4. Using divisibility test, which of the following numbers are divisible by 3 and 9 ?

a. 315063 b. 716352 c. 618309 d. 452347

e. 415026 f. 314550

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