The smallest number which when diminished by 7, is divisible 12, 16, 18, 21 and 28 is:

Question:
The smallest number which when diminished by 7, is divisible 12, 16, 18, 21 and 28 is:

[A].

1008

[B].

1015

[C].

1022

[D].

1032

Answer: Option B

Explanation:

Required number = (L.C.M. of 12,16, 18, 21, 28) + 7

   = 1008 + 7

   = 1015