If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

You have a 12 liters jug full of water. You have two empty 8 liters and 5 liters jug. How can you divide the water into two equal parts using these jugs?

It is a 5 letter word if you take away first letter it is something you get from sun, if you remove second letter you will get something to eat, if you remove third letter you get a word you use in pointing at and if you remove the fourth letter you get something to drink. What is it?

There are forty elephants and they have forty-fore heads. How can this be possible?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

I have an eye but still cannot see.

Who am I?

You are given with the following sum. Each of the letters can be decoded as a digit. If we tell you that D = 5, then can you solve it entirely?

DONALD
+GERALD
=ROBERT

What is the riddle which can be asked all day with a different correct answer each time.

I am white when I am dirty, and black when I am clean. What am I?

Which is faster, Heat or Cold ? Explain.