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Train A and train B are running on parallel tracks in the opposite directions with speed of 36 km/hour and 72 km/hour, respectively. A person is walking in train A in the direction opposite to its motion with a speed of 1.8 km/hour. Speed (in ms–1) of this person as observed from train B will be close to : (take the distance between the tracks as negligible) 

(1) 30.5 ms–1

(2) 29.5 ms–1

(3) 31.5 ms–1

(4) 28.5 ms–1

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2 Answers

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Best answer

Ans : (2) 29.5 ms-1

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Nice explanation . Thank you
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gjvjguihjhbiujnm
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what's this??
If you don't know actual solution, then don't try to answer.
Don't give nonsense answers on this app.
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@Huzaifa Noori The ans is absolutely right. You don't type "NONSENSICAL" comments.
P.S:Learn some English too

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