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WAEC Mathematics 2018 Question 44

Question 44

Ratio, Percentages and Rates

If x : y = ¼ : ⅜ and y : z = ⅓ : 4/9, find x : z.

  1. A.2 : 3
  2. B.3 : 4
  3. C.3 : 8
  4. D.1 : 2
Show the answer and explanation

Answer: D (1 : 2)

Explanation

x : y = 2 : 3 and y : z = 3 : 4, so x : z = 2 : 4 = 1 : 2.