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JAMB Mathematics 1990 Question 5

Question 5

Ratio, Percentages and Rates

Three children shared a basket of mangoes in such a way that the first child took ¼ of the mangoes and the second ¾ of the remainder. What fraction of the mangoes did the third child take?

  1. A.3/16
  2. B.7/16
  3. C.9/16
  4. D.13/16
Show the answer and explanation

Answer: A (3/16)

Explanation

After the first child, ¾ is left. The second takes ¾ of ¾ = 9/16, so the third gets ¾ − 9/16 = 3/16.