Winter holiday homework 9#

Level pending

There are 15 different flavors of pie, and 5 are being set out on the fair. How many different possibilities are there?


The answer is 3003.

Janney Wang by Janney Wang , 20, China

This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try refreshing the page, (b) enabling javascript if it is disabled on your browser and, finally, (c) loading the non-javascript version of this page . We're sorry about the hassle.

2 solutions

Vaibhav Kandwal
Feb 12, 2015

15 C 5 = 3003 \large ^{15}C_5 = \boxed{3003}

1 Helpful 0 Interesting 0 Brilliant 0 Confused
Janney Wang
Feb 12, 2015

15C5

= 15 P 5 5 ! \frac{15P5} { 5!}

= 15 × 14 × 13 × 12 × 11 5 × 4 × 3 × 2 × 1 \frac{15×14×13×12×11 }{ 5×4×3×2×1}

=3003

1 Helpful 0 Interesting 0 Brilliant 0 Confused

0 pending reports

×

Problem Loading...

Note Loading...

Set Loading...