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A train having a length of 1/4 mile , is traveling at a speed of 75 mph. It enters a tunnel 3 ½ miles long. How long does it take the train to pass through the tunnel from the moment the front enters to the moment the rear emerges? | |
A. | 3 min [Correct Answer] |
B. | 4 [Wrong Answer] |
C. | 5 [Wrong Answer] |
D. | 6 [Wrong Answer] |