John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

What has many teeth, but cannot bite?

You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up.

In how many different ways you can climb 10 stairs?

It has five wheels, though often think four, You cannot use it without that one more, You can put things in it, you can strap things on top, You can't find it in the market, but you can still go shop. What is it?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

You have 1023 apples and 10 bags. You have to distribute these apples in these 10 bags in any way you choose. But when I ask for a certain number of apples you have to give them in terms of bags without transferring the apples from other bags. How do you distribute the apples?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

You bought me for dinner but never eat me. What am I?

Can you count the number of triangles inside a triangle?

There are three boxes on a table. One of the box contains Gold and the other two are empty. A printed message contains in each box. One of the message is true and the other two are lies.

The first box says "The Gold is not here".

The Second box says "The Gold is not here".

The Third box says "The Gold is in the Second box".

Which box has the Gold?