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UI Post-UTME Mathematics 2016 Question 12

Question 12

Linear and Simultaneous Equations

The sum of three consecutive numbers is 36. Find the numbers

  1. A.18, 11 and 7
  2. B.20, 10 and 6
  3. C.15, 10 and 11
  4. D.11, 12 and 13
Show the answer and explanation

Answer: D (11, 12 and 13)

Explanation

y + (y + 1) + (y + 2) = 36 gives y = 11: 11, 12, 13.