I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

If an electric train is travelling south, then which way is the smoke going?

A prisoner is told: "If you tell a lie, we will hang you and if you tell the truth, we will shoot you." What did the prisoner say to save himself?

Which letter of the alphabet has the most water?

Why is 6 afraid of 7?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

If one and a half boys, eat one and a half burgers in one and a half hours.

How many burgers can 9 boys eat in 3 hours?

A network of 20 x 10 squares is given to you.

Can you calculate how many unique squares and rectangles can be formed combining two or more individual squares ?