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UI Post-UTME Mathematics 2018 (Model questions) Question 30

Question 30

Ratio, Percentages and Rates

A sack of grain can feed 80 chickens for 18 days. How many days will it last 120 chickens?

  1. A.9
  2. B.12
  3. C.27
  4. D.18½
Show the answer and explanation

Answer: B (12)

Explanation

80 × 18 = 1,440 chicken-days, and 1,440 ÷ 120 = 12 days.