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A train travelling at a speed of 75 mph enters a tunnel 3.5 miles 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? | |
A. | 2.5 min [Wrong Answer] |
B. | 3 min [Correct Answer] |
C. | 3.2 min [Wrong Answer] |
D. | 3.5 min [Wrong Answer] |