Two places are A and B are 200 kms from each other A train leaves from A for B at the same time anot...........

Quantitative Aptitude ( CCS) Time & distance

Two places are A and B are 200 kms from each other. A train leaves from A for B at the same time another train leaves B for A. The two trains meet at the end of 8 hours. If the train travelling from A to B travels 10km/hr faster than the other. Find the speed of the faster train?

15 km/hr

16 km/hr

17.5 km/hr

18 km/hr

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Explanation:

speed of trains = s + 10 and s km/hr. At some P distance from A both train will meet. So,
8 = P/(s +10) = (200 – P)/s
Solve both equation, we get s = 7.5 so faster train speed 17.5 km/hr