There was a strange boy who was born before his father. How can this be possible?

What can go up a chimney down, but can’t go down a chimney up?

A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are there in the family?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

It belongs to you, but other people use it more than you do. What is it?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

What has lots of eyes, but can’t see?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

It is an eleven letter word.
The first, second, third and fourth letters form a banquet's name.
The fifth, sixth and seventh letters form a car's name.
The eighth, ninth, tenth and eleventh letters form a mode of transport.

Can you identify what word it is?

The following four words might seem abrupt to you. But you can make them meaningful by just adding vowels.
RDSH
GGPLNT
TMT
NN

Hint: All of them are vegetables.