Brain Strain?

If 5 cats can catch 5 rats in 5 minutes, how many cats do you need to catch 100 rats in 100 minutes?

I was just wondering what the most common strains of mary jane in saskatchewan.

There are 2 mothers and 2 daughters on a shopping spree. Each one bought a pair of shoes. All together... There are 3 pairs. ...

If you only had 1 match and entered a cold and dark room where there was an oil lamp, an oil heater, and a candle which would...

Why is it called a tv set if you only get one?

I want some really good brain teasers, but don't give me the answer.

if you struck a match in a room full of 100% Methane gas what would happen??

( silly question i know, but i love typing random things in google, and found the hidden messages, then some conspiracy peros...

Which is better, the left or right side of your brain? Why I can't use both? Because of educational system? Need a long expl...

have anybody heard about this principle?? does the film matrix have anything to do with this principle??