MCQ
In how many ways can 5 persons occupy 3 seats?
  • A
    30
  • B
    15
  • C
    60
  • D
    20

Answer

(c) 60
Explanation: Required number of ways $={ }^5 P _3=\frac{5!}{(5-3)!}=\frac{5 \times 4 \times 3 \times 2 \times 1}{2 \times 1}=60$

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