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

You are a prisoner sentenced to death. The Emperor offers you a chance to live by playing a simple game. He gives you 50 black marbles, 50 white marbles, and 2 empty bowls. He then says, 'Divide these 100 marbles into these 2 bowls. You can divide them any way you like as long as you use all the marbles. Then I will blindfold you and mix the bowls around. You then can choose one bowl and remove ONE marble. If the marble is WHITE you will live, but if the marble is BLACK... you will die.'

How do you divide the marbles up so that you have the greatest probability of choosing a WHITE marble?

Asked by Neha on 14 Jun 2023


Take number 1000 and then add 20 to it.
Now add 1000 one more time.
Now add 30.
Now add 1000 one more time.
Now add 40.
Now add 1000 one more time.
Now add 10.

What is the total?

Asked by Neha on 18 Jan 2024

What has one letter and starts with an E?

Asked by Neha on 18 Dec 2024


In a guessing game, five friends had to guess the exact numbers of apples in a covered basket.
Friends guessed 22, 24, 29, 33, and 38, but none of the guesses was correct. The guesses were off by 1, 8, 6, 3, and 8 (in random order).

Can you determine the number of apples in a basket from this information?

Asked by Neha on 23 Mar 2024

A man walked into a pub and went straight towards the Barman. He asked for a dirty martini from the Barman. The Barman thought something and then pulled out a pistol from his drawer and aimed it directly at the man. Why did he do that?

Asked by Neha on 09 Nov 2023

Find the hidden panda in the image below.

Find The Panda

Asked by Neha on 13 Jun 2024


I’m orange, I wear a green hat and I sound like a parrot. What am I?

Asked by Neha on 26 Aug 2025

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

Asked by Neha on 15 Dec 2024

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

Asked by Neha on 02 Nov 2024


You need to pick one entry from pot A and one from pot B to have a perfect match. Can you do it?

Football World Cup 2014

Asked by Neha on 22 Aug 2021

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Crossword puzzles

In the 1920s, people feared that crossword puzzles would contribute to illiteracy.