Excluding stoppages, the speed of a bus is 50 km/hr and including stoppages, it is 36 km/hr. For how many minutes does the bus stop per hour?  Answers.
A) 118 min  B) 10 min  C) 18 min  D) 16 min  E) 15 min
Due to stoppages, it covers 14 km less.   Time taken to cover 14 km = 14/50 * 60   = 16 min.   Answer:16 min
<result>D</result>
Excluding stoppages, the speed of a bus is 50 km/hr and including stoppages, it is 36 km/hr. For how many minutes does the bus stop per hour?