A car takes 6 hours to cover a distance of 270 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 choice from the following answers.
A) 10 kmph	B) 20 kmph	C) 25 kmph	D) 30 kmph	E) 27 kmph

Rationale: "time = 6 distence = 270 3 / 2 of 6 hours = 6 * 3 / 2 = 9 hours required speed = 270 / 9 = 30 kmph d )"
Answer: D