I’m tall when I’m young, and I’m short when I’m old. What am I?

You need to move three matchsticks to form three squares. Can you do it?

Why is a river so rich ?

Move three sticks of the spiral below to form a square.

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

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?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??