Question

Check whether the number 12345321 is divisible by3 is it divisible by 9​

Answer 1

Answer:

A number is divisible by 3 if the sum of the digits is divisible by 3.

1+2+3+4+5+3+2+1 = 21, 21 is divisible by 3.

Hence, 12345321 is divisible by 3.

A number is divisible by 9 if the sum of the digits is divisible by 9.

21 is not divisible by 9. Hence, 12345321 is not divisible by 9.

Answer 2

Hope this helps you.