What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

If you were to put a coin into an empty bottle and then insert a cork into the neck, how could you remove the coin without taking out the cork or breaking the bottle?

In the figure, you can see nine stars. What you have to do is connect all of them by using just four line and without lifting your hand i.e. in a continuous flow.

How can you leave a room with two legs and return with six legs?

You have $100 with you and you have to buy 100 balls with it. 100 is the exact figure and you can't go below or above the numbers and you have to use the entire $100. If there is no kind of tax applied how many of each of the following balls will you be able to buy:

Green Balls costing $6
Yellow Balls costing $3
Black Balls costing $0.10

Now, how many of each must you buy to fulfil the condition given?

Imagine you are in a room with no windows or doors. How will you get out?

Before reading ahead, you must know the fact that only one of the people here is telling the truth.

A says that B is lying.
B says that C is lying.
C says both A and B are lying.

Can you find out who is speaking the truth?

What's the only room from which no one can enter or leave

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

How can you write nineteen in a manner that if we take out one, it becomes twenty?