I look at you, you look at me I raise my right, you raise your left. What am I?

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 ?

By what process could you make a 'Tea-Table' into food?

How do you go from 98 to 720 using just one letter?

When it's bad luck to meet a black cat?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

If "P" means "-", "Q" means "/", "R" means "+", and "S" means "*" then find the value of the following:

21 Q 7 R 9 S 10 P 13

The captain of a ship is telling you an interesting story and then poses a question. He says, “I have travelled the oceans far and wide. One time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly. Can you tell me how that was possible?”

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?

If eleven plus two equals one, what does nine plus five equal?