speed of a bus is 54kmph and including stoppages, it is 45kmph. For how many minsdoes the bus stop per hour? Pick one.
A) 10 min	B) 20 min	C) 25 min	D) 30 min	E) 40 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?