Weighing All

What four weights can be used to balance from 1 to 30 pounds?




Similar Riddles

Twice ten are six of us,

Six are but three of us,

Nine are but four of us;

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Would you know more of us?

Twelve are but six of us,

Five are but four, do you see?

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81 x 9 = 801. What must you do to make the this equation true?

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In 2007, a puzzle was released and $2 million prizes were offered for the first complete solution. The competition ended at noon on 31 December 2010, with no solution being found. Wiki