A train travels 40 faster than a car Both start from point A at the same time and reach point B 140 ...........

Quantitative Aptitude (CGL) Problems on trains

A train travels 40% faster than a car. Both start from point A at the same time and reach point B, 140 km away at the same time. On the way the train takes 25 minutes for stopping at the stations. What is the speed (in km/hr) of the train?

134.4

145.9

160

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Explanation:

Let V be the speed of the train.
Car’s speed is V/ 1.4 km/h
Time taken by car is 140*1.4/V .
Time taken by train = 140/V + (5/12) hour . Since 25 minute = (5/12) h.
(140*0.4/V = 5/12
56/V = 5/12
560/V = 5/12
Train’s speed is 134.4 km/h
Bus’s speed is 134.4/1.4 =96 km/h