Question

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

Answer 1

Ans : (2) 29.5 ms^-1

Comments

Nice explanation . Thank you

Answer 2

gjvjguihjhbiujnm

Comments

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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Is it good to spam in any online community which is made for students !
@momin please on content moderation !

Answer 3

29.5 m/s

Option-2 is right answer