Brain Teasers

What goes up but never comes down?

Which is heavier, 100 pounds of rocks or 100 pounds of feathers?

Your mother has four kids and names them 1) North, 2) South, 3) East. What is the fourth child's name?

How many times can you subtract 10 from 100?

You're running a race. You pass up the person in second place, what place are you in?

If there are 6 apples and you take away 4, how many do you have?

If it took eight men ten hours to build a wall,how long would it take four men to build it?

Imagine you are in a sinking row boat surrounded by sharks. How would you avoid dying?

A is the father of B. But B is not the son of A. How is that possible?

If there are 12 fish and half of them drown, how many fish are there?

What can you never eat for breakfast?

If you throw a red stone into the blue sea what it will become?