two trains 110m and 100m long are running on parallel tracks, in the same direction with a speed of 46 km/hr and 39 km/hr respectively. How long will it take to be clear of each other?
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Answer is in the attachment.
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⟹ Let the length of each train is x meter
⟹ Distance will be x+x = 2x
⟹ Relative Speed = 46-36 = 10 km/hr
= 10*(5/18) = 25/9 m/sec
⟹ Distance = Speed*Time
⟹ 2x=259∗362x=100=>x=50
So the answer is 50
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