Question

A number is divisible by 9 if the ______ of its digits divisible by 9.​

Answer 1

If sum of no. is divisible by 9

Answer 2

The correct answer is : A number is divisible by 9 if the sum of its digits of its digits divisible by 9.​

• The divisibility rule of 9 is similar to that of 3.
• The divisibility rule of 9 states that a number is divisible by 9 if the sum of digits of the number is divisible by 9.
• For example, the number 171 is divisible by 9 as the sum of its digits is = 1 + 7+ 1 = 9, which is divisible by 9. The number 46 is not divisible by 9 as the sum of its digits = 4 + 6 = 10 is not divisible by 9.

Hence the correct answer is : A number is divisible by 9 if the sum of its digits of its digits divisible by 9.​

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