🎓 Hard riddles for adults with answers

1. I turn once, and what is out will not get in. I turn again, and what is in will not get out. What am I?

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2. What five-letter word sounds the same when you remove its first, third and last letters?

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3. A man stands on one side of a river and his dog on the other. He calls the dog, and it crosses without getting wet, without a bridge and without a boat. How?

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4. What English word has three double letters in a row?

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5. Multiply me by any number and the answer is always the same. What number am I?

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6. What can you find in the middle of nowhere?

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7. A clock takes 5 seconds to strike six o'clock. How long does it take to strike twelve?

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8. What letter comes next: O, T, T, F, F, S, S, E, ...?

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9. A woman has 7 daughters, and each daughter has a brother. How many children does she have?

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10. Which is correct: "The yolk of the egg is white" or "The yolk of the egg are white"?

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11. Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?

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12. You're on a game show with three doors: a car behind one, goats behind the other two. You pick door 1. The host, who knows where the car is, opens door 3 to show a goat. Should you switch to door 2?

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13. Using four 4s and any basic math signs, make the number 7.

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14. What number, written as an English word, has all its letters in alphabetical order?

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15. Rearrange the letters of "NEW DOOR" to make one word.

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16. If two's company and three's a crowd, what are four and five?

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17. Turn me on my side and I am everything. Cut me in half and I am nothing. What am I?

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18. I'm a three-digit number. My tens digit is 5 more than my ones digit, and my hundreds digit is 8 less than my tens digit. What number am I?

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19. How many squares of any size are on a standard 8 × 8 chessboard?

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20. Imagine you're in a room with no doors or windows, and it's slowly filling with water. How do you get out?

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21. A rope ladder hangs over the side of a ship. The rungs are a foot apart and 10 rungs are above the water. The tide rises 4 feet. How many rungs are above the water now?

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22. What is 3/7 chicken, 2/3 cat and 2/4 goat?

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23. When the day after tomorrow is yesterday, today will be as far from Sunday as today was from Sunday when the day before yesterday was tomorrow. What day is it today?

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24. What has an eye, but can't see, and is the strongest wind of all?

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