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?

How could a baby fall out of a twenty-story building onto the ground and live?

A Club organizes a Running Race, and John, Jacob, Minda, and Tony participated.

The results are as follows

John beats Jacob
Minda beats Toni
Toni beats John

Who came first in the race?

In the attached figure, you can see a chessboard and two rooks placed on the chess board. What you have to find is the number of squares that do not contain the rooks. How many are there?

In the image given, you can find several triangles. Can you count them all?

Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.

I shave every day, but my beard stays the same. What am I?

What does Alexander the Great and Winnie the Pooh have in common?

Which is the correct shadow of the bird?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?