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Quantitative Aptitude (CHSL)

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A person sees a train passing over 3km long bridge. The length of the train is half that of bridge if the train clears the bridge in 4mins. What is the speed of the train ?

67.5 km/hr

50 km/hr

62 km/hr

48 km/hr

Explanation:

Distance covered in 4/60 hours = (3 + 3/2) = 9/2 km
Distance covered in 1 hour = (9/2) x (60/4) = 67.5km/hr.
So, speed of the train = 67.5 km/hr

By: Pranav Gupta

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