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WAEC Mathematics 2008 Question 1

Question 1

Ratio, Percentages and Rates

If x% of 240 equals 12, find x.

  1. A.x = 1
  2. B.x = 3
  3. C.x = 5
  4. D.x = 7
Show the answer and explanation

Answer: C (x = 5)

Explanation

x/100 × 240 = 12, so 2.4x = 12 and x = 5.