Excluding stoppages, the speed of a bus is 54 kmph and including stoppages, it is 45 kmph. For how many minutes does the bus stop per hour?

Options
1) 12
2) 11
3) 10
4) 9

• answer is 10
• 9 years agoHelpfull: Yes(0) No(0)
• The bus speed decreases 9 kmph because of the stoppage.so the the time taken by the bus to stop is (60/54)*9=10 minute
  
• 9 years agoHelpfull: Yes(0) No(1)