The ratio between the speed of a bus and train is 15 27 respectively Also a car covered a distance o...........

Quantitative Aptitude ( CCS) Time & distance

The ratio between the speed of a bus and train is 15 : 27 respectively. Also, a car covered a distance of 720 km. in 9 hours., The speed of the bus is three-fourth of the speed of the car. How much distance will the train cover in 7 hours ?

760 km.

756 km.

740 km.

None of these

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Explanation:

Speed of car = Distance covered/ Time taken
= 720/9 = 80 kmph
∴ Speed of bus = 3/4 × 80 = 60 kmph
∴ Speed of train = 27/15 × 60 = 108 kmph
∴ Distance covered by train in 7 hours
= 7 × 108 = 756 km.