In how many ways can the letters of the word 'ELECTIVE' be arranged?
FURTHER MATHEMATICS
WAEC 2018
In how many ways can the letters of the word 'ELECTIVE' be arranged?
- A. 336
- B. 1680
- C. 6720
- D. 20160
Correct Answer: C. 6720
Explanation
The word has 8 letters with one letter repeated 3 times, therefore we have:
\(\frac{8!}{3!} = 6720\) ways.
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