Latest GENPACT Aptitude Question SOLUTION: A train 108 m long moving at a speed of 50 kmph crosses a train 112 m long coming from opp direction in 6 seconds.The speed of the second train is a)48 kmph b)54 kmph c)66 kmph d)8

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(#M40005206) GENPACT Numerical Ability question Problem on trains Keep an EYE

A train 108 m long moving at a speed of 50 kmph crosses a train 112 m long coming from opp direction in 6 seconds.The speed of the second train is
a)48 kmph b)54 kmph c)66 kmph d)82 kmph

Asked In GENPACT (12 years ago)

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Read Solution (1) :

Madhuri Throvagunta  (9 years ago)

both trains are moving in opposite direction means we need to add their speeds.
i.e: 1st train speed is = 50kmph
let the 2nd train speed = x kmph
relative speed = (50+x) kmph
= (50+x)* 5/18
= (250+5x)/18 m/sec

Distance covered by two trains = 108+112
= 220m

therefore, 220/((250+5x)/18) = 6
=> 250+5x=660
=> x=82km/hr.

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