Long Train

A train, half a mile long, is about to enter a tunnel. The tunnel is 10 miles long. If the speed of the train is 35 mph, how long will it take for the entire train to pass through the tunnel – from the front of the train entering to the end of the train leaving the tunnel?

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February 12th, 2011 | Category: Automotive, Brain Riddle, Mathematical, Real Life |  Email This Riddle

2 guesses to Long Train

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• tashi

  March 9, 2011 at 8:35 AM

  total distance covered=10.5miles
  velocity=35milesperhour
  time=10.5/35=0.3hour==18min

• Dude

  March 9, 2011 at 9:26 AM

  Yes Tashi, you are correct.

  And you explained it perfectly!

  You’re today’s winner.