This is a famous paradox which has caused a great deal of argument and disbelief from many who cannot accept the correct answer. Four balls are placed in a hat. One is white, one is blue and the other two are red. The bag is shaken and someone draws two balls from the hat. He looks at the two balls and announces that at least one of them is red. What are the chances that the other ball he has drawn out is also red?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

A father's child, a mother's child, yet no one's son.

Who am I?

You have two buckets - one holds exactly 5 gallons and the other 3 gallons. How can you measure 4 gallons of water into the 5 gallon bucket?

(Assume you have an unlimited supply of water and that there are no measurement markings of any kind on the buckets.)

What will you call your mother's brother's brother-in-law?

What are the next two letters in the following series and why?
W A T N T L I T F S _ _

*Hint: Check Puzzle Title

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

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

What word is pronounced the same if you take away four of its five letters?

During which month do people sleep the least?