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Pro Problems > Math

Featured Pro Problems

Complex numbers, sequences and series, trigonometry, coordinate geometry, and conics all come into play in this hodge-podge problem
Find the sum of x and y, if the following quadratic equations in x and y are true.
Calculate the sum of squares, given the arithmetic, geometric and harmonic means of three numbers
Three digits get together for brunch and discuss their relationships
Without a calculator find a nine digit number that meets the criteria of the problem
A math problem involving Shrek wanting Fiona's telephone number
The digits from zero to nine are competitors in a new reality TV show. Which digit will win?
Two people go to the same store and make the same purchases, but one of them is treated unfairly in the pricing

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