The least number which when decreased by 9 is exactly divisible by 12, 16, 24 and 48 is
(A) 16
(B) 48
(C) 57
(D) 39
please explain this answer
The least number which when decreased by 9 is exactly divisible by 12, 16, 24 and 48 is
(A) 16
(B) 48
(C) 57
(D) 39