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# Counting Principles

Pro Problems > Math > Statisics and Probabilities > Counting Principles

# Featured Pro Problems

Slips of paper with digits and letters are drawn from baskets, with 161 possible results
Santa and Mrs. Claus take a Christmas song to extremes - The Twelve Days of Christmas
How many different Thanksgiving meals could I have?
How many different license plates can be created using these rules? A counting principles problem
Counting principles problem involving buttons and levers in combination
Determine the number of ways the customer can have his burger prepared
Place the markers in a tic-tac-toe grid in as many ways as possible.
In how many different ways can the letters STOPS be arranged?

# Full Directory Listing

161 - Digits and Letters, Andy and Roger, Borders, Building a Burger, Burgers and Condiments, Buttons and Levers, Guitar Pickin', How Many Arrangements?, Making License Plates, STOPS!, Thanksgiving Dinner, Tic Tac Toe Grid, Twelve Days of Christmas

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