WAEC Mathematics 2015 Question 39

Question 39

Fractions, Decimals and Approximation

A farmer uses ⅖ of his land to grow cassava, ⅓ of the remainder for yam and the rest for maize. Find the part of the land used for maize.

  1. A.2/15
  2. B.⅖
  3. C.⅔
  4. D.⅘
Show the answer and explanation

Answer: B (⅖)

Explanation

Remainder after cassava = ⅗; yam = ⅓ × ⅗ = ⅕; maize = 1 − ⅖ − ⅕ = ⅖.