Excluding the stoppages, the speed of a bus is 48 km/hr and including the stoppages the speed of the bus is 24 km/hr. For how many minutes does the bus stop per hour?
Select the correct option:
A) 30min
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=24 km/hr   Difference in speed=24 km/hr   so,the time taken in the stoppages = time taken to cover 24 km=(24/48)hr = 1/2 hr =30 min   30minNSWER:30min
<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 24 km/hr. For how many minutes does the bus stop per hour?