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 answers:
A) E982  B) 27  C) 17.3  D) 121  E) 28
Explanation:   T = 13/45 * 60 = 17.3   Answer: Option 17.3
<result>C</result>
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?