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Question

Two passenger trains pass(at the same instant) through points A and B,which are 200 km apart.They run on parallel tracks towards each other at speeds of 60 km/h and 45 km/h respectively.They will meet in time ??

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Solution

Dear Student,

Since both trains are moving towards each other, net velocity is relative velocity given by the sum of the velocities of each train i.e.,

v = (60 + 45)=105 kmph
distance, AB = 200 km.

So, time taken to meet :

t=200 km105 kmph=4021 hr

Regards,
Manoj Singh.

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