Latest Patni Aptitude Question SOLUTION: Excluding stoppages, the speed of the bus is 54 kms /hr and with stoppages, it is 45 kmph. For how many minutes does the bus stop per hour? a) 9 b) 10 c) 12 d) 20

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

a) 9 b) 10 c) 12 d) 20

Asked In Patni (12 years ago)

Unsolved Read Solution (3)

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Read Solution (3) :

Vignesh  (12 years ago)

b)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.

Is this solution Helpfull? Yes (20) | No (5)  

A.P.Singh  (9 years ago)

Suppose bus stops for x minutes per hour, then
distance travelled = 54*(60-x) = 45*60
x=10 mins

Is this solution Helpfull? Yes (4) | No   

Abhishek Porwal  (9 years ago)

Due to stoppages, it covers 9 km less.

Time taken to cover 9 km = 9x 60 min = 10 min.

Is this solution Helpfull? Yes | No (2)  

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