A bus is running with a speed of 30 km h on the road beside a railway track The bus is 260 met...........

Quant (SSC) Time & distance

A bus is running with a speed of 30 km/h on the road beside a railway track. The bus is 260 metres ahead of the engine of a 440 metres long train running with the speed 156 km/h in the same direction. In how much time will the train pass the bus completely?

20 seconds

40 seconds

35 seconds

25 seconds

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Explanation:

Relative speed of the train with respect to the bus = 156 – 30 = 126 km/h
= 126 x 5/18 = 35 m/s
Distance = 440 + 260 = 700 metre
Required time = 700/35 = 20 sec.