Excluding stoppages, the speed of a train is 45 kmph and including stoppages it is 37 kmph. Of how many minutes does the train stop per hour?
Pick:	A) 73	B) 83	C) 12	D) 83	E) 11

Rationale: "explanation : t = 8 / 45 * 60 = 11 answer : option e"
Answer: E