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

Can you find the least possible number such that

If the number is divided by 3, it gives the remainder of 1;
If the number is divided by 4, it gives the remainder of 2;
If the number is divided by 5, it gives the remainder of 3;
If the number is divided by 6, it gives the remainder of 4.

Asked by Neha on 23 Oct 2024


I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

Asked by Neha on 28 Oct 2025

Below rebus represent famous DiCaprio movie. Can you name it?

Decode the Rebus

Asked by Neha on 27 May 2021


While handling a project, the landscaper is asked by the owner of the mansion that he wants four trees in front of his mansion that are exactly equidistant from each other.

How will he do it?

Asked by Neha on 20 Nov 2023

In a contest, four fruits (an apple, a banana, an orange, and a pear) have been placed in four closed boxes (one fruit per box). People may guess which fruit is in which box. 123 people participate in the contest. When the boxes are opened, it turns out that 43 people have guessed none of the fruits correctly, 39 people have guessed one fruit correctly, and 31 people have guessed two fruits correctly.
How many people have guessed three fruits correctly, and how many people have guessed four fruits correctly

Asked by Neha on 17 Aug 2023

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?

Asked by Neha on 23 Jul 2025


I have a head like a cat and feet like a cat, but I am not a cat. What am I?

Asked by Neha on 12 Aug 2025

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

Asked by Neha on 07 Feb 2025

Find the combined weight of the Cat, Dog and Rabbit in the given picture.

 Weight of Animals

Asked by Neha on 17 Jan 2024


Can you place three balls such that the equation shown in the picture holds true?

Place the Balls

Asked by Neha on 07 Mar 2024

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Rubik’s Cube

The inventor of the Rubik’s Cube didn’t realize he’d built a puzzle until he scrambled it the first time and tried to restore it.