How long does a train 200 m long running at the speed of 72 km/hr takes to cross a bridge 132 m length?	Choices
A) 82.1 sec B) 12.1 sec C) 16.1 sec D) 13.1 sec E) 16.6 sec

Rationale: "speed = 72 * 5 / 18 = 20 m / sec total distance covered = 200 + 132 = 332 m . required time = 332 / 20 = 16.6 sec . answer : e"
Answer: E