A train running at the speed of 72 km/hr passes a tunnel completely in 3 minutes. While inside the tunnel, it meets another train of 3of its length coming from opposite4 direction at the speed of 90km/hr and passes it completely in 3 1 seconds. Find the length of the tunnel.2

A train running at the speed of 72 km/hr passes a tunnel completely in

1.	A train running at the speed of 72 km/hr passes a tunnel completely in 3 minutes. While inside the tunnel, it meets another train of 3of its length coming from opposite4 direction at the speed of 90km/hr and passes it completely in 3 1 seconds. Find the length of the tunnel.2
A.	3510 metre
B.	3500 metre
C.	3400 metre
D.	3600 metre
Answer» B. 3500 metre

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A train running at the speed of 72 km/hr passes a tunnel completely in 3 minutes. While inside the tunnel, it meets another train of 3of its length coming from opposite4 direction at the speed of 90km/hr and passes it completely in 3 1 seconds. Find the length of the tunnel.2

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