A man is walking down a road with a basket of eggs. As he
is walking he meets someone who buys one-half of his eggs
plus one-half of an egg.
He walks a little further and meets another person who buys
one-half of his eggs plus one-half of an egg.
After proceeding further he meets another person who buys
one-half of his eggs plus one half an egg. At this point, he
has sold all of his eggs, and he never broke an egg.
How many eggs did the man have to start with?

Can you solve below mathematical equation?

2^1234 - 2^1233

What you cannot hold but it is yours?

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

Can you count the number of triangles in the picture below?

What is a word made up of 4 letters, yet is also made up of 3. Sometimes is written with 9 letters, and then with 4. Rarely consists of 6, and never is written with 5.

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

What runs around the whole yard without moving?

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?