How long does a train 165 meters long running at the rate of 72 kmph take to cross a bridge 660 meters in length?  Choose the correct choice:
A) 28
B) 41.25
C) 55
D) 18
E) 12

Rationale: "t = ( 660 + 165 ) / 72 * 18 / 5 t = 41.25 answer : b"
Answer: B