Question 20
Permutations and CombinationsIn how many ways can the letters of the word 'ELECTIVE' be arranged?
- A.336
- B.1680
- C.6720
- D.20160
Show the answer and explanation
Answer: C (6720)
Explanation
8 letters with E three times: 8!/3! = 6720.
In how many ways can the letters of the word 'ELECTIVE' be arranged?
Answer: C (6720)
8 letters with E three times: 8!/3! = 6720.