Practice By Tag: Counting Solutions of Linear Equations

Question: 2014 Fall Final - 8

1 . The number of different strings that can be made by reordering the 10 letters of the word AAABBCCCCC is

(a)

$\frac{10!}{2!3!5!}$

(b)

$10!$

(c)

${10 \choose 3}{10 \choose 2}{10 \choose 5}$

(d)

None of the above.