The speed of a train is 60 kmph. What is the distance covered by it in 20 minutes?  Choose the correct choice from the following:
A) 21 kmph
B) 22 kmph
C) 20 kmph
D) 23 kmph
E) 24 kmph

Rationale: "60 * 20 / 60 = 20 kmph answer : c"
Answer: C