If you go to the movies and you're paying, is it cheaper to take one friend to the movies twice, or two friends to the movies at the same time?

What brings you down but never up?

Who always enjoys poor health?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Replace all '*' with digits 1, 2, 3, 4, 5 and 6 to make below statement true.

* *
x *
=====
* * *

In a stable, there are men and horses. In all, there are 22 heads and 72 feet. How many men and how many horses are in the stable

See the given image carefully. What you have to do is move the blue checkers in the position of the black checkers and vice versa. You are only allowed to move the checker to an adjacent empty space. Do it in the least possible moves.

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

Using the clues below, what four numbers am I thinking of?

The sum of all the numbers is 31.
One number is odd.
The highest number minus the lowest number is 7.
If you subtract the middle two numbers, it equals two.
There are no duplicate numbers.

Can you count the number of squares in the given picture?