Answer :
Correct answer is B.
[tex]\frac{\text{no of letters!}}{\text{no of reps per letter!}} [/tex]
[tex]\frac{9!}{2!2!2!}=45,360[/tex]
9 letters
i repeats twice
n repeats twice
s repeats twice
[tex]\frac{\text{no of letters!}}{\text{no of reps per letter!}} [/tex]
[tex]\frac{9!}{2!2!2!}=45,360[/tex]
9 letters
i repeats twice
n repeats twice
s repeats twice