A train travelling at a speed of 75 mph enters a tunnel 3 1/2 miles lo – McqOptions

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1.	A train travelling at a speed of 75 mph enters a tunnel 3 1/2 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
B.	3 min
C.	3.2 min
D.	3.5 min
Answer» C. 3.2 min

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