The smallest number which when diminished by 12, is divisible 12, 24, 36, 48 and 56 is:	Choose the correct choice from the following answers:
A) 1008
B) 1015
C) 1020
D) 1032
E) 1048

Rationale: "required number = ( l . c . m . of 12 , 24 , 36 , 48,56 ) + 12 = 1008 + 12 = 1020 answer : option c"
Answer: C