Twp trains,each of length 100 m ,are running on parallel tracks.One overtakes the other in 20 sec an

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Blazing goIITian

total posts: 982
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so here ,

crossing means i think ..trains travelling, in opposite direction

and overtaking means ,in same direction

so ....while overtaking ..

LET VEL BE V1 AND V2 ..(V1 > V2)

SO V1-V2 = 200/20 = 10

AND V1+V2 = 200/10 = 20

SO V1 = 15m/sec AND V2 = 5m/sec

~~~A pessimist sees the difficulty in every opportunity; an optimist sees the oportunity in every difficulty~~~

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