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WAEC Further Mathematics 2024 Question 17

Question 17

Probability

A fair dice is thrown twice. Find the probability that the sum obtained will be a factor of 12.

  1. A.1/3
  2. B.5/18
  3. C.1/9
  4. D.7/18
Show the answer and explanation

Answer: A (1/3)

Explanation

Possible sums that divide 12: 2 (1 way), 3 (2), 4 (3), 6 (5), 12 (1) — 12 of 36 outcomes. P = 12/36 = 1/3.