There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way (other than the eyes). Where can you place an apple so that all but one person can see it?

By adding four matchsticks, can you divide the square shown in the picture into two equal parts?

Can you find the six hidden animals in the picture below?

What is at the end of a rainbow?

How many triangles are there on the puzzle below?

We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?

It is a 5 letter word if you take away first letter it is something you get from sun, if you remove second letter you will get something to eat, if you remove third letter you get a word you use in pointing at and if you remove the fourth letter you get something to drink. What is it?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

Which alphabet is a part of our body?

Can you find the hidden animal in the picture below?