A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

A and B have a certain number of chocolates with them. If B gives one chocolate to A, they will have an equal number of chocolates. But if A gives one chocolate to B, then A will be left with half the number of chocolates that B has.

Can you find out the number of chocolates they have right now?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

What building has the most stories?

Which of the following words don't belong in the group and why?
CORSET, COSTER, SECTOR, ESCORT, COURTS

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 network of 20 x 10 squares is given to you.

Can you calculate how many unique squares and rectangles can be formed combining two or more individual squares ?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

I am dry when I go inside, but wet when I am pulled outside.
The longer I am inside, the stronger I get
When I am completely out, I am wet and I literally sag
Who am I?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?