Two trains A and B 150m and 210m long are moving along parallel tracks with speeds of 60km/h and 90km/h respectively. How long will train A take to overtake train B
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Relative speed = (60 + 90) km/hr =[ 150 x ( 5 / 18 ) ]m/sec = ( 125/3 ) m/sec.
Distance covered in crossing each other = (150 + 210) m = 360 m.
Required time = [ 360 x ( 3/225) ] sec = 8.64 sec.
Distance covered in crossing each other = (150 + 210) m = 360 m.
Required time = [ 360 x ( 3/225) ] sec = 8.64 sec.
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