Excluding stoppages, the speed of the bus is 54kmph and including stoppages, it is 45kmph.for how many min does the bus stop per hr.

• 10 minutes
  
  By including stoppages, bus will cover 9km less..(54km -45km = 9km)
  
  Excluding stoppages, x = 54 kmph
  Including stoppages, y = 45 kmph
  Difference, z = 9km
  
  Time taken to cover that 9km(bus stops per hour(60minutes))= z/x(60minutes)
  = 9/54(60)
  = 1/6(60)
  = 10minutes.
• 12 years agoHelpfull: Yes(12) No(3)
• 54=d/ns ,45=d/ws
  54ns=45ws
  Ws=54/45ns
  Ws=1.2ns
  Consider no stop time 60min
  Then with stop 1.2*60=72min
  So the difference is 72-60=12mins
• 4 years agoHelpfull: Yes(0) No(0)