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 ?

There were five men at church, and it started raining while they were outside. The four that ran still got wet, but the one that was still stayed completely dry. Why did he stay dry?

Different lights make me strange by changing me into different sizes. What am I?

You are mixing a mixture of cement and Sand with five gallons of water. You have a garden hose giving you all the water you need. The problem is that you only have a four-gallon bucket and a seven-gallon bucket and neither has graduation marks. Find a method to measure five gallons.

What is at the end of a rainbow?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

Today is John's birthday.
A year ago, John had five candles and he lit all the candles except the one at the last.
Now he is going to light all the candles.

How old is John Today?

(He is not five today.....)

Which is the rope you never skip with?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?