How many seconds will a 500 metre long train take to cross a man walk…

Question

How many seconds will a 500 metre long train take to cross a man walking with a speed of 3 km/hr in the direction of the moving train if the speed of the train is 63 km/hr?

Accepted Answer

Option B. 30. Answer & Solution Answer: Option B Solution: & Speed\, of\, the\, train\, relative\, to\, man & = ( 63 - 3 )\, km/hr & = 60\, km/hr & = ( 60 × 518 )\, m/sec & = 50/3\, m/sec & Time\, taken\, to\, pass\, the\, man & = ( 500 × 350 )\, & = 30\,