# Your dog has 10 puppies and you are going to keep 3 of them. How many different groups of puppies can you choose?

##### 1 Answer

Feb 17, 2017

#### Answer:

120

#### Explanation:

This is a combinations question - selecting puppies 1, 2, 3 is the same as choosing puppies 3, 2, 1.

The general formula for a combination is: