Puzzle 373
A farmer has 5 haystacks in one field and 4 haystacks in the other field.
How many haystacks would there be if they were combined in one field?
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Puzzle 374
What can go up a chimney down …
… but can't go down a chimney up?
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Hint
You would probably never try this.
Puzzle 376
What is the 10th prime number?
2, 3, 5, 7, …
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Hint
2, 3, 5, 7, 11, 13, 17, 19, 23, …
Answer
29.
The first ten prime numbers are: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29.