Excluding the stoppages, the speed of a bus is 48 km/hr and including the stoppages the speed of the bus is 12 km/hr. For how many minutes does the bus stop per hour?  Choose one
A) 45 min
B) 10 min
C) 12 min
D) 20 min
E) 18 min
Speed of the bus without stoppage=48 km/hr   Speed of the bus with stoppage=12 km/hr   Difference in speed=36 km/hr   so,the time taken in the stoppages = time taken to cover 36 km=(36/48)hr = 3/4 hr =45 min   45 minNSWER:45 min
<result>A</result>
Excluding the stoppages, the speed of a bus is 48 km/hr and including the stoppages the speed of the bus is 12 km/hr. For how many minutes does the bus stop per hour?