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JAMB Mathematics 2004 Question 4

Question 4

Ratio, Percentages and Rates

A farmer planted 5,000 grains of maize and harvested 5,000 cobs, each bearing 5000 grains. What is the ratio of the number of grains sowed to the number harvested?

  1. A.1 : 500
  2. B.1 : 5,000
  3. C.1 : 25,000
  4. D.1 : 250,000
Show the answer and explanation

Answer: B (1 : 5,000)

Explanation

Grains harvested = 5,000 × 5,000 = 25,000,000. The ratio 5,000 : 25,000,000 simplifies to 1 : 5,000.