The number 8.

I found thirteen, listed in the order they’re found.

1. ram
2. ant
3. cat
4. ape
5. ewe
6. ox
7. kid
8. ass
9. man
10. nag
11. hen
12. cow
13. doe

Because they live in schools!

The license plate of the vehicle that hit you.

The interval is two minutes, between the times of 9:59 and 10:01.

You ask the man of the merry-go-round to stop it.

Shadow

16
The words mean n/2 - 3 = 5 => n/2 = 8 => n = 16

On day 10 it will reach the top.
(9 + 3) = 12

Tree.

Open the door, take the elephant out, put the giraffe in, and close the door.

Tentacles (ten tickles).