Excluding stoppages, the speed of a bus is 58 kmph and including stoppages, it is 40 kmph. For how many minutes does the bus stop per hour? Select:	A) 19	B) 19.13	C) 10.5	D) 11.35	E) None of these
Due to stoppages, it covers 18 km less.   Time taken to cover 18 km = ((18/58)Ã—60) = 19 min.   Option(19) is correct
<result>A</result>
Excluding stoppages, the speed of a bus is 58 kmph and including stoppages, it is 40 kmph. For how many minutes does the bus stop per hour?