Question
Train A and B can cross a 400 meters long platform in the same time. The length of Train A is 480 meters and the speed of Train B is twice the speed of Train
Train A and B can cross a 400 meters long platform in the same time. The length of Train A is 480 meters and the speed of Train B is twice the speed of Train
A. If Train A crosses a bridge of the same length as of Train B in 40 seconds, then find the time (in seconds) taken by Train B to cross a tunnel 20 m long.
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