Solve the equation in the image by looking at the pattern closely.

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?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

There were five men at church, and it started raining while they were outside. The four that ran still got wet, but the one that was still stayed completely dry. Why did he stay dry?

What part of the chicken has the most feathers?

How many triangles are there on the puzzle below?

Find out the missing number in the picture attached:

A father's child, a mother's child, yet no one's son.

Who am I?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

A kind heart person buy packed food at 3$/packet from United states and sells them at 1$/packet at Africa. After some time he becomes a millionaire.

How come the guy become millionaire ?