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A 500 m train passes completely through a 1 km tunnel in 1 minute 15 seconds. Find its speed in km/h.

Competition practiceProblems on Trains
  • A20 km/h
  • B24 km/h
  • C72 km/h
  • D48 km/h

Step-by-Step Solution

Distance m in 75 s m/s km/h. (48 km/h leaves out the train's length.)
Answer: C) 72 km/h

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