Excluding stoppages, the speed of a train is 45 kmph and including stoppages it is 32 kmph. Of how many minutes does the train stop per hour?	Choose the correct choice from the following:
A) 17	B) 83	C) 12	D) 83	E) 28

Rationale: "explanation : t = 13 / 45 * 60 = 17 answer : option a"
Answer: A