A car takes 6 hours to cover a distance of 144 Km. how much should the speed in Kmph be maintained to cover the same direction in 3/2th of the previous time?
Choose the correct answer:
A) 50 kmph	B) 60 kmph	C) 65 kmph	D) 16 kmph	E) none

Rationale: "time = 6 distence = 144 3 / 2 of 6 hours = 6 * 3 / 2 = 9 hours required speed = 144 / 9 = 16 kmph d )"
Answer: D