There are two parallel railway tracks. There are two trains namely A & B. The two trains are moving in opposite directions. The two trains are moving on different tracks. The length of Train A is 70 metres and its speed is 120 km/hr. The length of train B is 40 metres and its speed is 150 km/hr.  For how much time will the two trains be exactly beside each other?

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Please find below the solution to the asked query:
Here the trains are in opposite direction So add the speed of both trainsSpeed=120+150=270 km/hrAnd for the beside they both have to travel =length of A +length of BDistance=70+40=110mChange meter to km1000 meter=1km1 meter=11000kmSo 110 meter=11000×110=11100Now time=distancespeed=11100270=1127000hr        Answer

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