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?

Count the number of lines in the image below ?

How is a fly different from a mosquito?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

I inserted a coin in a bottle and closed its mouth with the help of a cork. Now, I was able to take the coin out from the bottle without taking out the cork or breaking the bottle. Can you tell me how I did it?

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

Can you count the number of squares in the given picture?

I have a mouth but I don't eat.
I have a bank but have no money.
I have a bed but i dont sleep.
I wave but have no hands.

Who Am I ?

I have Rs.50 and I spend it in the way as below.

You knock a Table over in the library, and suddenly 20 eyes are looking at you.