The least number which when increased by 1 is divisible by 12,18,24,32 is

The least number which when increased by 1 is divisible by 12,18,24,32 is

A. 278

B. 288

C. 287

D. 279

ANS: C

EXPLANATION:

Required number = [L.C.M of 12, 18, 24, 32] – 1

                        = 288 -1

= 287