In how many ways can the letters of the word MEMBER be arranged?
FURTHER MATHEMATICS
WAEC 2020
In how many ways can the letters of the word MEMBER be arranged?
- A. 720
- B. 360
- C. 180
- D. 90
Correct Answer: C. 180
Explanation
No. of ways = \(\frac{6!}{2!2!}\)
= \(\frac{6 \times 5 \times 4 \times 3 \times 2!}{2 \times 1 \times 2!}\)
= 180 ways
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