Question

What least value must be given to 'n' so that the number 6135 n 2 becomes divisible by 9?

Answer 1

least value must be 3 which divisible by 9

Answer 2

For 6135n2 to be divisible by 9, the sum of the digits should be a multiple of 9.

Here 6+1+3+5+2+n = 17+n. In order that the sum be 18, the value of n = 1.

n = 1.

Check: 613512 / 9 = 68168. Correct.