In how many different way can the letters of the word WEDDING be arranged?

A. 2500

B. 2520

C. 5000

D. 5040

E. NONE OF THESE

Answer: Option B

Solution(By Examveda Team)

The given word contains 7 letters which D is taken 2 times.
∴ Required number of ways
$$\eqalign{ & = \frac{{7!}}{{2!}} \cr & = \frac{{7 \times 6 \times 5 \times 4 \times 3 \times 2 \times 1}}{{2 \times 1}} \cr & = 2520 \cr} $$