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WAEC Mathematics 2010 Question 9

Question 9

Quadratic Equations

The sum of 2 consecutive whole numbers is 5/6 of their product. Find the numbers.

  1. A.3, 4
  2. B.1, 2
  3. C.2, 3
  4. D.0, 1
Show the answer and explanation

Answer: C (2, 3)

Explanation

For 2 and 3: sum = 5 and 5/6 of the product = 5/6 × 6 = 5. They match.