If the sum of digits of a number is divisible by three, then the number is always divisible by


Option (a) If the number is even meaning that if last digit is 0,2,4,6,8 than it is divisible by three.

Option (b) The divisibility test of 3 says that if the sum of all the digits is divisible by three than the number is divisible by three. Therefore this option is correct.


Option (c) If the number is divisible by both 3 and 2 than it is divisible by 6.


Option (d) if the sum of all digits is divisible by 9 than the number is divisible by 9.

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