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?

You throw me out when you want to use me and you take me in when you don't want to use me.

Who Am I?

Can you start the fire using two pieces of wood?

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?

In the figure that has been attached to this question, each digit represents a digit. The similar letters carry the same integer value. Can you expose the original digits?

What does this rebus means ?

Can you decipher the following common phrase?

T M C
A U O
H S M
W T E

How many words can a pen with half refill write?

What is the next shape from answers A, B, C, and D figure?

In a jungle where there are no street lights or any other artificial source of lights, I notice a black snake crossing the road.
How did I get sight of the snake?