Question

A disc jockey wants to select five songs from a new CD that contains 12 songs. How many ways can the disc jockey choose five songs

Answer 1

12*5=60
So I believe 60 different ways
(not 100% sure)

Answer 2

The number of combinations of 12 different songs selected 5 at a time is
\[12C5=\frac{12!}{5!7!}\]

Answer 3

210?

Answer 4

\[\frac{12!}{5!7!}=\frac{12\times11\times10\times9\times8}{5\times4\times3\times2\times1}=you\ can\ calculate\]

Answer 5

yeah one sec

Answer 6

95040/120

Answer 7

Sorry for my wrong reply

Answer 8

Correct so far. So what is the value of 95040/120 ?

Answer 9

792

Answer 10

Your answer is correct!

Answer 11

thanks

Answer 12

You're welcome :)