If we tell you that there is a relation between the numbers and letters in the given figure, can you analyze it and find the missing letter in the last box?

If I put in one canary per cage, I have one bird too many. If I put in two canaries per cage, I have one cage too many. How many cages and canaries do I have?

Who is that with a neck and no head, two arms and no hands? What is it?

Which number should replace the question mark?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

Can you find the missing piece of the Porsche?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

How many words can a quill made with the feather of a pigeon write with a 100ml bottle of black ink?

Which letter of the alphabet has the most water?

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?