Using 5 of letter S and 3 of letter W, how many distinct words can we write? We will use all the letters, that is, each word will be of eight letters.
2026-04-18 18:27:09.1776536829
Using 5 of letter S and 3 of letter W, how many distinct words can we write?
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You have $8$ spots and you want to fill up those spots with $5$ ,$S$ and $3$ ,$W$
Well if you choose $5$ out of $8$ for your $S$ then you are done.
Thus the answer is $\binom {8}{5}=56$