A train 180 m long moving at the speed of 20 m/sec over takes a man moving at a speed of 10 m/sec in the same direction. The train passes the man in:
1
6 sec
2
9 sec
3
18 sec
4
27 sec
A train 180 m long moving at the speed of 20 m/sec over takes a man moving at a speed of 10 m/sec in the same direction. The train passes the man in: