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

I am dry when I go inside, but wet when I am pulled outside.
The longer I am inside, the stronger I get
When I am completely out, I am wet and I literally sag
Who am I?

Which is faster, Heat or Cold ? Explain.

Why Aeroplane windows are round?

You’re out on the water and see a boat filled with people. You look away for a second and look back again, but this time you don’t see a single person on the boat. Why? Hint: The boat did not sink.

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

Nodes are shown below and you need to connect them based on the following rule: Every node can be connected to the number of nodes inside them, i.e. the first node there is a value of 1 which indicates that the first node can connect to exactly one node only.Can you do it?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?