Question

3 is divisible of 21503

Answer 1

Answer:

To check divisibility by 3 add the digits and divide by three if no remainder is left the number is divisible by 3 if remainder is left the number is not divisible by 3

so now to check whether 21503 is divisible by

first step add the digits : 2+1+5+0+3=11

so as 11 isn't divisible by 3 , 21503 is also not divisible by 3

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