How many seconds will a 650 m long train take to cross a man walking with a speed of 3 km/hr in the direction of the moving train if the speed of the train is 48 km/hr?
Choose the correct choice from the following:	A) 25	B) 45	C) 54	D) 44	E) 48

Rationale: "speed of train relative to man = 48 - 3 = 45 km / hr . = 45 * 5 / 18 = 25 / 2 m / sec . time taken to pass the man = 650 * 2 / 25 = 54 sec . answer : c"
Answer: C