Engineering Board Exam Reviewer · Permutations · medium

How many distinct arrangements can be made from the letters of the word ENGINEER?

  1. 40,320
  2. 6,720
  3. 1,680
  4. 3,360

Answer

D. 3,360

Solution

8 letters with E repeated 3 times and N repeated 2 times: 8!/3!,2!=3,360.

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