1) If two’s company and three’s a crowd, what are four and five? 2) The more you take, the more you leave behind. What am I? 3) What has keys but can't open locks, and space but no room? 4) I am a number: if you multiply me by 2, then subtract 4, the result is 10. What number am I? 5) If five cats can catch five mice in five minutes, how long will it take one cat to catch one mouse? 6) What is so fragile that saying its name breaks it?

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