In how many ways can the letters of the word MEMBER be arranged?
- 720
- 360
-
180
- 90
The correct answer is: C
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