When two trains are running in opposite directions on parallel tracks at 40 km/hr & 60 km/hr respectively, the slower train passes a man in the fast train in 9 seconds. Find the length of the slower train.
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Step-by-step explanation:
Relative speed = ( 60 - 40) = 20 kmph
= 20×518=509m/sec.
Time taken to cross the man
= time taken to cover the length of the faster train as relative speed.
27×509 = 150 mts.
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