Two trains of which one is 50 metres longer than the other are running in opposite directions and cross each other in 10 seconds. If they be running in the same direction then faster train would have passed the other train in 1 minute 30 seconds. The speed of faster train is 90 km per hr. Find the speed of other train.

Two trains of which one is 50 metres longer than the other are running

1.	Two trains of which one is 50 metres longer than the other are running in opposite directions and cross each other in 10 seconds. If they be running in the same direction then faster train would have passed the other train in 1 minute 30 seconds. The speed of faster train is 90 km per hr. Find the speed of other train.
A.	25 m/sec.
B.	20 m/sec.
C.	30 m/sec.
D.	35 m/sec.
Answer» C. 30 m/sec.

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