Probability Question

Question

Robin bought a four-scoop ice cream cone having a scoop each of vanilla, chocolate, strawberry and cherry. In how many orders can the four scoops be stacked on the cone if they are stacked one on top of the other?

Answer 1

There are four choices for the bottom scoop—three for the next, and so on. In total, there are 4*3*2*1 choices which are 24.