How many ways can you arrange the letters in the word 'CAT'?

From a group of 5 friends, how many ways can you choose 3 to go to the movies?

What is 5! (5 factorial) equal to?

You have 4 different colored shirts. How many ways can you wear them in a row?

A pizza shop offers 3 toppings. How many different pizzas can you make with any combination of toppings?

How many different committees of 4 people can be formed from a group of 8 people?

In how many ways can 6 people sit in a row?

You have 7 books. How many ways can you arrange 3 of them on a shelf?

A bag contains 4 red balls and 3 blue balls. How many ways can you pick 2 red balls?

How many 3-digit numbers can be formed using the digits 1, 2, and 3 without repetition?