The first box has two white balls. The second box has two black balls. The third box has a white and a black ball.

Boxes are labeled but all labels are wrong!

You are allowed to open one box, pick one ball at random, see its colour and put it back into the box, without seeing the colour of the other ball.

How many such operations are necessary to correctly label the boxes?

A little girl goes to the store and buys one dozen eggs. As she is going home, all but three break. How many eggs are left unbroken?

John was driving a bus and got stuck when passing through an underpass. Then came Jacob with a needle and got the bus out of the underpass.

What did the boy do?

In which direction should the missing arrow point?

Can you find the hidden animal in the picture below?

Can you find out the total number of triangles in the given figure?

We are a group of eight brothers. We consider the weak, yet we protect the king in every battle. If we move ahead, we never turn back. Who are we?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

What's the best place to go shopping in the ocean?

The centre of the third figure is empty. What digit should fit inside?