In what time will a train 100 m long cross an electric pole, it its speed be 54 km/hr?
Choose the correct choice from the following
A) 2.5	B) 2.9	C) 6.67	D) 2.8	E) 2.1

Rationale: "speed = 54 * 5 / 18 = 15 m / sec time taken = 100 / 15 = 6.67 sec . answer : c"
Answer: C