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

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