Subject :IMO Class : Class 6

If 5476*a* is divisible by 3, then what can be the least value of *a*?

A 1

B 2

C 3

D 6

sum of the digits, 5,4,7,6 is 22 and nearest multiple is 24 so least value can be 2 as difference of 24 and 22 is 22