A train 180 m long moving at the speed of 20 m/sec. over-takes a man moving at a speed of 10m/sec in the same direction. The train passes the man in :

A train 180 m long moving at the speed of 20 m/sec. over-takes a man m

1.	A train 180 m long moving at the speed of 20 m/sec. over-takes a man moving at a speed of 10m/sec in the same direction. The train passes the man in :
A.	6 sec
B.	9 sec
C.	18 sec
D.	27 sec
Answer» D. 27 sec

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A train 180 m long moving at the speed of 20 m/sec. over-takes a man moving at a speed of 10m/sec in the same direction. The train passes the man in :

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