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The letters of the SAP taken all at a time can be written in?

The letters of the SAP taken all at a time can be written in?

Explanation

The letters "SAP" can be arranged in 3! (3 factorial) ways, which is equal to 6 ways:

  1. SAP
  2. SPA
  3. PAS
  4. PSA
  5. ASP
  6. APS

Note that 3! = 3 × 2 × 1 = 6.