Question

Which of the following us divisible by
3?​

Answer 1

Answer:

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. Sum of all the digits of 73 = 7 + 3 = 10, which is not divisible by 3.

Answer 2

Some examples of numbers divisible by 3 are as follows. The number 85203 is divisible by 3 because the sum of its digits 8+5+2+0+3=18 is divisible by 3. The number 79154 is not divisible by 3 because the sum of its digits 7+9+1+5+4=26 is not divisible by 3.

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