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2 March, 06:00

In how many ways can 4 letters be dropped in 6 mailboxes so that no two letters go in the same box

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Answers (2)
  1. 2 March, 06:04
    0
    You can cut em in half and then drop them in the mailbox
  2. 2 March, 06:23
    0
    If it doesn't matter which letter goes into which box then its 6! / 4! 2! = 15 ways

    If it does matter then its 6! / 2! = 360 ways
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