speed of a bus is 54kmph and including stoppages, it is 45kmph. For how many minsdoes the bus stop per hour?
Choose the correct choice:
A) 10 min
B) 20 min
C) 30 min
D) 50 min
E) 60 min
speed of the bus excluding stoppages = 54 kmph   speed of the bus including stoppages = 45 kmph   Loss in speed when including stoppages = 54 - 45= 
<gadget id="calculator">54 - 45</gadget>
<output>9</output>
9kmph=&gt; In 1 hour, bus covers 9 km less due to stoppages   Hence, time that the bus stop per hour = time taken to cover 9 km   =distancespeed=954 hour=16 hour = 606 min=10 min   10 min
<result>A</result>
speed of a bus is 54kmph and including stoppages, it is 45kmph. For how many minsdoes the bus stop per hour?