Problem on running same direction

Problem on running same direction
The problem on trains are important chapter for easily get the marks in competitive exam papers.you just remember the way of train cross the object and speed ,time and distance.There are train based problem based on two object,Here we learn the problem on Problem on running same direction time taken by train a man or light lamp. First is Train and second object is that which is crossed by the train.


Problem on running same direction
A train is 250 meter long is running of speed 65 Km / hr, A man running at 5 Km / hr in same direction in which the train is moving, find the what time will it pass a man .


Answer: If direction is given in the same direction then we subtract it ( 65 - 5 ) = 60 Km /hr.
and now convert it into m / sec using 60 x 5 / 18 = 50 / 3 m / sec.

If the train time taken to passing tha man who running , that is 50 / 3 m /sec. So we can easily get the distance of m / ses so it cover 250 meter that is = 250 x 3 / 50 = 15 sec .
So, the train time taking to cover distance is 15 sec.

Note: direction is given in the same direction then we subtract.






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