two trains are running at a speed of 85 km/h and 60 km/h respectively in opposite direction. If they
Take 15 s to pass each other completely, then find the length of one train, provided the length of the
other is 140 m.
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Relative speed is 145 kmph
or 725/18 m/s.. So there cover 725/18*15 m in 15 sec. Which is 604.1666..... m. Length of one train is 140 m so other is 464.16666.... m
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