Paradox Probability

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?




Similar Riddles

A woman lives in a skyscraper thirty-six floors high and is served by several elevators which stop at each floor going up and down. Each morning she leaves her apartment and goes to one of the elevators. Whichever one she takes is three times more likely to be going up than down. Why?

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What do you call a fish without an eye?

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

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

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

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Which is Odd One Out and why?

4377

3954

9862

8454

9831

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Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?

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A man was convicted of a minor offence in Akbar court. Akbar decided to give him a chance. He asked him to give a statement. If the statement is true, he will be killed by lions and if it is false, he will be killed by trampling of wild elephants.

The convicted person requested help from Birbal and since the crime was not a big one, Birbal decided to help him. Whatever Birbal suggested impressed Kabir and he let the convicted person go.

What did Birbal suggest to the person?

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Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

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I am the beginning of everything, the end of everywhere. I'm the beginning of eternity, the end of time and space. What am I?

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Which word does the below Plexor means ?

Hard Word Plexor

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