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How many ways can 5 different letters be arranged if 2 letters are identical? (2017)

Practice Questions

1 question
Q1
How many ways can 5 different letters be arranged if 2 letters are identical? (2017)
  1. 60
  2. 120
  3. 30
  4. 20

Questions & Step-by-step Solutions

1 item
Q
Q: How many ways can 5 different letters be arranged if 2 letters are identical? (2017)
Solution: The number of arrangements of 5 letters where 2 are identical is 5! / 2! = 60.
Steps: 0

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