Conundrums

How many children did he have?
? 8 10 9 7 13 13 5 9 17

2. Which number should replace the "?"

3.

4. A farmer has 5 haystacks in one field and 4 haystacks in another. How many hay stacks would he have if he combined them all in the centre field?

5. What breaks when you say it?

6. What feature is common to all these words?

**stun**

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