A van 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) 50 kmph
B) 30 kmph
C) 70 kmph
D) 80 kmph
E) 90 kmph

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