In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

What goes through cities and fields, but never moves?

What is 3/7 chicken, 2/3 cat and 2/4 goat?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

Imagine a box with two cogwheels, one big with 24 teeth and one small with 8 teeth. The big one is firmly attached to the center of the box which means it does not turn or move while the small one rotates around the big one.

How many times do you think that the smaller wheel will turn compared to the box when it turns once around the big one?

Here is what you have to do. You have to throw a ball as hard as you can but it must return back to you even if it does not bounce at anything. Also, you have nothing attached to the ball. There is no one on the other end to catch that ball and throw it back at you.

How will you do it?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

What is both possible and impossible at the same time?