state gov UP Police Workshop Staff (Radio Cadre) Mock Test Quantitative Aptitude Speed Time and Distance Relative Speed
Two trains running at 63 kmph and 45 kmph cross each other in 15 seconds when they run in opposite direction. When they run in same direction, a person, in the faster train, observes that he crossed the other train in 40 seconds. Find the length of both trains.
1
280 metre and 250 metre
2
450 metre and 200 metre
3
200 metre and 250 metre
4
240 metre and 200 metre