Why is a river so rich ?

what one word does the below rebus identifies?

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

What numbers should go on the bottom line?
3 6 9 15
8 2 10 12
11 8 19 27
19 10 29 39
? ? ? ?

What is full of holes but still holds water?

I have branches, but no fruit, trunk or leaves. What am I?

It is a nine-letter word.
The exact opposite of the phrase "friendly and outgoing"
It contains the word "over".
It starts will a vowel.

What is it?

You need to move three matchsticks to form three squares. Can you do it?

Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?

A man had five children. He had $100 with him to give to his children. He decided to start with the youngest child and then give $2 more than each younger child to his next elder child.

For example, if he gives $x to the youngest child, he will give $(x+2) to the next one, $[(x+2) + 2] to the next one and so on.

Can you find out how much did the youngest one receive?