How long does a train 110 m long traveling at 60 kmph takes to cross a bridge of 140 m in length?	Options:  A) 16.5  B) 16.0  C) 15  D) 16.8  E) 16.1

Rationale: "d = 110 + 140 = 250 m s = 60 * 5 / 18 = 50 / 3 t = 250 * 3 / 50 = 15 sec answer : c"
Answer: C