How long does a train 150 m long running at the speed of 72 km/hr takes to cross a bridge 132 m length?	Select the correct option.
A) 14.1 sec B) 12.1 sec C) 16.1 sec D) 13.1 sec E) 12.15 sec

Rationale: "speed = 72 * 5 / 18 = 20 m / sec total distance covered = 150 + 132 = 282 m . required time = 282 / 20 = 14.1 sec . answer : a"
Answer: A