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WAEC Further Mathematics 2023 Question 20

Question 20

Permutations and Combinations

In how many ways can four Mathematicians be selected from six?

  1. A.15
  2. B.60
  3. C.90
  4. D.360
Show the answer and explanation

Answer: A (15)

Explanation

Order doesn't matter: ⁶C₄ = 15.