Question

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

Answer 2

Answer:

if the sum of no.

is multiple of 3

then the no divisible by 3