The speed of a train is 72 kmph. What is the distance covered by it in 20 minutes?	Choose the correct answer:  A) 20 kmph  B) 28 kmph  C) 25 kmph  D) 22 kmph  E) 24 kmph

Rationale: "72 * 20 / 60 = 24 kmph answer : e"
Answer: E