Question

test the following for divisible by 3 and 9.(a)2941414​

Answer 1

Answer:

1) We know that a number is divisible by 3 if the sum of all it's digits is divisible by 3.

294414=2+9+4+4+1+4=24

24 is divisible by 3. Hence 294414 is divisible by 3.

2) Similarly, a number is divisible by 9 if the sum of all it's individual digits is divisible by 9.

294414=2+9+4+4+1+4=24

24 is not divisible by 9. Hence, 294414 is not divisible by 9.

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