A car takes 6 hours to cover a distance of 504 Km. how much should the speed in Kmph be maintained to cover the same direction in 3/2th of the previous time?  Choices.
A) 48 kmph	B) 50 kmph	C) 52 kmph	D) 56 kmph	E) 60 kmph

Rationale: time = 6 distence = 504 3 / 2 of 6 hours = 6 * 3 / 2 = 9 hours required speed = 504 / 9 = 56 kmph d
Answer: D