Back to all chapters
# Combinations

If a coin is flipped twenty times, how many ways are there to get exactly ten tails and ten heads?

How many triangles are in a fully connected pentagon with all its diagonals?

If I were to travel only north and east, how many routes did I have to get to the castle?

How many ways are there to split 10 people into 2 teams so that they can play 5 on 5 basketball?

×

Problem Loading...

Note Loading...

Set Loading...