"The train travelling at a speed of 75 mph enters a tunnel `3 1/2\ `mile long. The train is `1/4
Channel: Doubtnut
Date: 2020-04-05

"The train travelling at a speed of 75 mph enters a tunnel `3 1/2\ `mile long. The train is `1/4`mile long. How long does it take for the train to pass through the tunnel from the moment the front enters to the moment the rear emerges? `2. 5\ m in`b. `3\ m in`c. `3. 5\ m in`d. `3. 2\ m in\ `"