Question

A number divisible by 3
​

Answer 1

Step-by-step explanation: A number is divisible by 3 if the sum of its all digits is a multiple of 3 or divisibility by 3. Sum of all the digits of 54 = 5 + 4 = 9, which is divisible by 3. Hence, 54 is divisible by 3.

Answer 2

do sum of all the given numbers if the number is a multiple of 3 then it is divisible by 3

For Ex :-

569 :- 5+6+9 = 20 so it is not divisible by 3 ,

6969 = 6+9+6+9 = 30 . it is a multiple of 3 so it is divisible by 3