The least number, which when divided by 12, 15, 20 and 54 leaves in each case a remainder of 5 is:
Choose the correct answer:
A) 545
B) 488
C) 542
D) 548
E) 560

Rationale: required number = ( l . c . m . of 12 , 15 , 20 , 54 ) + 5 = 540 + 5 = 545 . answer : a
Answer: A