Excluding stoppages, the speed of a train is 54 kmph and including stoppages it is 40 kmph. Of how many minutes does the train stop per hour?	Choose the correct choice from the following.
A) A)13.55	B) B)14.55	C) C)15.55	D) D)16.55	E) E)17.55
Explanation:   T = 14/54 * 60 = 15.55   Answer: Option 15.55
<result>C</result>
Excluding stoppages, the speed of a train is 54 kmph and including stoppages it is 40 kmph. Of how many minutes does the train stop per hour?