A train, 240 m long, crosses a man walking alone the line in opposite…

Question

A train, 240 m long, crosses a man walking alone the line in opposite direction at the rate of 3 kmph in 10 seconds. The speed of the train is?

Accepted Answer

Option C. 83.4 kmph. Answer & Solution Answer: Option C Solution: & Speed of the train relative to man & = ( 24010 ) m/sec & = 24 m/sec & = ( 24 × 185 ) km/sec & = 4325 km/hr & Let the speed of the train be x kmph . & Then relative speed = ( x + 3 ) kmph & x + 3 = 4325 & x = 4325 - 3 & x = 4175 & \,…