Excluding stoppages, the speed of a bus is 70kmph and including stoppages, it is 56kmph. For how many minutes does the bus stop per hour?
- A10 min
- B8 min
- C15 min
- D12 min
Solution & Step-by-step Explanation
Formula for stoppage time per hour:
Stoppage time per hour=
Speed excluding stoppages
Speed excluding stoppages−Speed including stoppages
Stoppage time per hour=
70
70−56
=
70
14
=
5
1
hour
To convert hours into minutes, multiply by 60:
Stoppage time in minutes=
5
1
×60=12minutes
Stoppage time per hour=
Speed excluding stoppages
Speed excluding stoppages−Speed including stoppages
Stoppage time per hour=
70
70−56
=
70
14
=
5
1
hour
To convert hours into minutes, multiply by 60:
Stoppage time in minutes=
5
1
×60=12minutes