Latest CAT Aptitude Question SOLUTION: Excluding stoppages, the speed of a bus is 54 km/hr and including stoppages, it is 45 km/hr. For how many minutes does the bus stop per hour ?

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

Asked In CAT Devendra Marghade (11 years ago)

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Vignesh  (11 years ago)

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.

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prashanthi  (11 years ago)

due to stoppages it cover 9km less
time taken to cover 9km=9/54*60=10min

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