Everyday Mathematics!
Algebra
Level
3
A train 100 meters long moving at a speed of 50 km/h crosses a train 120 metres long coming from opposite direction in 6 seconds. The speed of second train is _ _km/h?
The answer is 82.
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1 solution
First add the length of both trains i.e. total distance to be covered Then divide it by total time taken and we would get their relative speed since they are moving in opposite direction so, subtract the speed of first train from the relative speed.