Two trains are moving in opposite directions @ 60 km/hr and 90 km/hr. Their len

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Two trains are moving in opposite directions @ 60 km/hr and 90 km/hr. Their lengths are 1.10 km and 0.9 km respectively. The time taken by the slower train to cross the faster train in seconds is:

Answer: Option C
-  Relative speed = (60+ 90) km/hr
   = 150 x 5 m/sec 18
   = 125 m/sec. 3 Distance covered = (1.10 + 0.9) km = 2 km = 2000 m.
Required time = 2000 x 3 sec = 48 sec. 125

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Kshitij 2016-04-10 12:41:39

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Raman K 2016-03-06 12:31:44

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