If 486*7 is divisible by 9, then the least value of * is
We know that if sum of digits of a number is divisible by 9, then the number is divisible by 9.
Here,
4 + 8 + 6 + * + 7 = multiple of 9
* + 25 = 0, 9, 18, ….
Hence,
x + 25 = 27
∴ x = 2
∴ the least value of x is 2