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Featured Pro Problems

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
Solve the problem involving Luke Skywalker, Yoda, and an x-wing figher on Dagobah
Calculate the force required for the Grinch's dog, Max, to pull the loaded sleigh back up the mountain
The digits from zero to nine are competitors in a new reality TV show. Which digit will win?

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