Walking at the rate of 4 kmph a man cover certain distance in 2 hr 45 min. Running at a speed of 16.5 kmph the man will cover the same distance in.
Choose the correct choice from the following:	A) 12 min	B) 25 min	C) 40 min	D) 48 min	E) 52 min

Rationale: distance = speed * time 4 * 11 / 4 = 11 km new speed = 16.5 kmph therefore time = d / s = 11 / 16.5 = 40 min answer : c
Answer: C