WAEC Mathematics 2005 Question 35

Question 35

Ratio, Percentages and Rates

A train moving at a uniform speed, covers 36 km in 21 minutes. How long does it take to cover 60 km?

  1. A.35 minutes
  2. B.40 minutes
  3. C.45 minutes
  4. D.90 minutes
Show the answer and explanation

Answer: A (35 minutes)

Explanation

Time is proportional to distance: 21 × 60/36 = 35 minutes.