Any number is said to be divisible by 9 if the sum of digits of that number is divisible by 9.

For example: Is 134568 divisible by 9?

Sum of all digits of number 134568 is (1+3+4+5+6+8) = 27.

Now 27 **÷ **9 = 3, i.e. 27 is divisible by 9.

So, 134568 is divisible by 9.

Check whether below numbers are divisible by 9?

a. 42 b. 167 c. 111112 d. 222225 e. 225

f. 243 g. 36 h. 1245735 i. 122183406 j. 558

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