1)

The smallest number which when diminished by 7, is divisible by 12, 16, 18 and 21 ?.


A) 1008

B) 1015

C) 1022

D) 1032

Answer:

Option B

Explanation:

Let the smallest number be X,
Lcm of 12,16,18,21,28 = 1008.
Here in question,
Diminished by 7, so, x-7 = 1008.
x = 1008+7 = 1015.