Question

put out the number from the following that are divisible by 3 but not by 9. a)38721 b )422679 c) 6110586 d) 257796​

Answer 1

explain answer,

a) 38721 = 3+ 8 + 7+2+1 = 21

so,

sum of 21

so,

1 st no is the answer is divisible by 3

but not divisible by 9