Excluding stoppages, the speed of a bus is 48 kmph and including stoppages, it is 45 kmph. For how many minutes does the bus stop per hour?
Answers.
A) 5	B) 4.15	C) 4.25	D) 5.5	E) None of these
Due to stoppages, it covers 314 km less.   Time taken to cover 3 km = ((3/48)Ã—60) =4.15 min.   Option(4.15) is correct
<result>B</result>
Excluding stoppages, the speed of a bus is 48 kmph and including stoppages, it is 45 kmph. For how many minutes does the bus stop per hour?