Question

You own 6 hats and are taking 4 on vacation. In how many ways can you choose 4 hats from the 6 ?

Answer 1

The order of selection does not matter. Therefore we need the number of combinations of the 6 hats taken 4 at a time.

`6C4= (6*5*4*3*2*1)/(4*3*2*1*2*1)`