Post-UTME Mathematics 2019 Objective — Question 10
Question 10 of 50 from the Post-UTME Screening (Post-UTME) Mathematics 2019 Objective paper, with the correct answer and a full explanation.
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Five persons are to have dinner jointly. In how many ways can they be selected if they are to sit at a round table?
- A. 120
- B. 40
- C. 24Correct
- D. 10
Explanation
Circular arrangement of n people = (n-1)! = (5-1)! = 4! = 24.
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