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A balanced mobile allows us to find relationships among the ornaments' weights. Which one is the heaviest?

Clock problems often require reasoning with angles. Can you find out when the clock hands swap places?

In this game, players take turns moving tokens. If the last to move wins, is there a guaranteed winner?

Mercury United gets an advantage in their Blaster Ball match against the top-ranked Earthling Allstars. What will it take for the Allstars to win?

In this problem, it might be useful to draw some additional lines. Can you find this figure's area?

Can you use the information about the number of books read by each person to find out who read the fewest?

All guests took wrong seats. If they all move by the same number of places, how many will find their places?

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