When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

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?

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

Do you know what I am?

You are given 16 witch hats. The hats are divided in four different colours – red, blue, green and yellow. Every colour has been assigned to four hats. Now each of the hat will be glued with a label of an arithmetic sign – ‘+’, ‘-‘, ‘x’ or ‘/’. But you can label one sign only once on one colour. In such an arrangement, the hats can be uniquely defined by its colour and symbol.

Can you arrange all the 16 hats in a 4x4 grid in a fashion that no two rows and columns have a repetition of colour or sign?
We have arranged four hats in the below picture to assist you.

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

Samuel was out for a walk when it started to rain. He did not have an umbrella and he wasn't wearing a hat. His clothes were soaked, yet not a single hair on his head got wet. How could this happen?

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

If eleven plus two equals one, what does nine plus five equal?

What does this rebus puzzle means ?

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?