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WAEC Mathematics 2008 Question 34

Question 34

Ratio, Percentages and Rates

A train travels 60 km in M minutes. If its average speed is 400 km per hour, find the value of M.

  1. A.15
  2. B.12
  3. C.10
  4. D.9
Show the answer and explanation

Answer: D (9)

Explanation

Time = 60/400 h = 0.15 h = 0.15 × 60 = 9 minutes.