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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?

  1. A
    10 min
  2. B
    8 min
  3. C
    15 min
  4. D
    12 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

Practice this question

Try it yourself before checking the explanation above.

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?
A
10 min
B
8 min
C
15 min
D
12 min

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