Question

There are 6 different books you want to purchase but you only have enough money to purcahse 4 of them.
How many different combinations of 4 books can you purchase?
a) 6!/4!2! b) 4!/6! c) 6!/4! d) 6!/2!

Answer 1

a) because that is the definition of 6C4

Answer 2

oh yeah, thank you