How long does a train 110 m long running at the speed of 36 km/hr takes to cross a bridge 132 m length? Choose the correct option
A) 82.1 sec	B) 12.1 sec	C) 24.2 sec	D) 13.1 sec	E) 12.15 sec

Rationale: "speed = 36 * 5 / 18 = 10 m / sec total distance covered = 110 + 132 = 242 m . required time = 242 / 10 = 24.2 sec . answer : c"
Answer: C