You measure my life in hours
I serve you by expiring
I vanish faster when I am thin
and slower when I am thick
The wind is my energy
What am I?

Where do fish keep their money?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

What does this rebus puzzle means ?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

Find out the missing number in the picture attached:

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

Here is what you have to do. You have to throw a ball as hard as you can but it must return back to you even if it does not bounce at anything. Also, you have nothing attached to the ball. There is no one on the other end to catch that ball and throw it back at you.

How will you do it?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?