[" A train of length "200" m traveling at "30m/s" overtakes another train of length "],[300m" traveling at "20m/s" in same direction.The time taken by the first train "],[" to pass the second is "]

A train of length 200 m traveling at 30 ms ^(-1) overtakes another train of length 300 m traveling at 20 ms ^(-1). The time taken by the first train to pass the second is

A train of length 200 m traveling at 30 ms ^(-1) overtakes another train of length 300 m traveling at 20 ms ^(-1). The time taken by the first train to pass the second is

A train 100m long travelling at 40 m/s starts overtaking another train 200 m long travelling at 30m/s in the same direction. The time taken by the first train to pass the second train completely is :

A train of length 100m travelling at 50m/s overtakes another train of length 200m moving at 30m/s. The time taken by the first train to overtake the second is (A) 5 sec (B) 10sec(C)15sec(D)20sec

A train of 100 m long travelling at 40 m/s starts overtaking another train 200 m long travelling at 30 m/s . The time taken by the first train to pass the second train completely is

A train 100 m long travelling at 40 ms^(-1) starts overtaking another train 200 m long travelling at 30 ms^(-1) . The time taken by the forst train to pass the second train comletely is .

A train 100 m long travelling at 40 ms^(-1) starts overtaking another train 200 m long travelling at 30 ms^(-1) . The time taken by the forst train to pass the second train comletely is .