A train 800 meters long is running at the speed of 78 km/hr. If it crosses a tunnel in 1 minute, then the length of the tunnel (in metres) is : - Study24x7
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A train 800 meters long is running at the speed of 78 km/hr. If it crosses a tunnel in 1 minute, then the length of the tunnel (in metres) is :

A

77200

B

500

C

1300

D

13

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