How do you make the number one disappear?
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Throw away the outside and cook the inside, then eat the outside and throw away the inside. What is it?
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It has keys, but no locks. It has space, but no room. You can enter, but can't go inside. What is it?
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I am an odd number. Take away a letter and I become even. What number am I?
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What occurs once in a minute, twice in a moment, and never in 1,000 years?
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What invention lets you look right through a wall?
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What five-letter word typed in all capital letters can be read the same upside down?
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What starts with T, ends with T, and has T in it?
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What is the longest word in the dictionary?
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