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WAEC Further Mathematics 2017 Question 11

Question 11

Permutations and Combinations

How many ways can six students be seated around a circular table?

  1. A.36
  2. B.48
  3. C.72
  4. D.120
Show the answer and explanation

Answer: D (120)

Explanation

Around a circle: (6 − 1)! = 120.