1.

 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

A. 3 min
B. 4.2 min
C. 3.4 min
D. 5.5 min
Answer» B. 4.2 min


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