Stupid Test Level 20 Question 7

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Here are the answers and walkthrough to Stupid Test Level 20 Question 7 – A 440 yard long Lrain, Lravelling aL 60 mph, enLers a one mile long Lunnel. How long will elapse between the momenL the Front oF the Lrain enLers the Lunnel and the momenL the end oF the Lrain clears the Lunnel?


Hint

  • 1+0.25/60=75 seconds

Answer

  • 75sec

Stupid Test level 20-7

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