Question

How many ways can the letters in the word "WISCONSIN" be arranged?
A. 38,572

B. 45,360

C. 69,620

D. 362,880

Answer 1

Correct answer is B.

$\frac{\text{no of letters!}}{\text{no of reps per letter!}}$

$\frac{9!}{2!2!2!}=45,360$

9 letters
i repeats twice
n repeats twice
s repeats twice