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

I am a word of 12 alphabets.

* Alphabets 12, 4, 7, 2, 5 : Eastern beast of burden
* Alphabets 1, 8, 10, 9 are street made famous by Sinclair Lewis.
* Alphabets 11, 3, 6 are past.

On whole it means a person suffering from delusions of greatness.

What Is it ?

Asked by Neha on 05 Jul 2021


Can you count the number of triangles inside a triangle?

Triangles in a Triangle Riddle

Asked by Neha on 26 Mar 2026

You visit a home for specially-abled children on the occasion of Christmas where you meet with 50 children. You have a box of chocolates containing 50 chocolates exactly.

What if you were asked to one chocolate to each child in a manner that one chocolate still remains in the box? Is it possible?

Asked by Neha on 28 Apr 2023


There are a hundred statements.

First person says: At least one of the statements is false.

Second person says: At least two of the statements is false.

Third person says: At least three of the statements are false.

Fourth person says: At least four of the statements are false.

..

..

..

Hundredth person says: At least a hundred of the statements are false.

Analysing it, how many statements do you think are false and how many are true?

Asked by Neha on 18 Feb 2021

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

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I look at you, you look at me, I raise my right, you raise your left. What am I?

Asked by Neha on 17 May 2021


Before Mount Everest was discovered, what was the highest mountain in the world?

Asked by Neha on 04 Aug 2021

Can you find out the number of the parking space in which the car is parked?

Parking Space Riddle

Asked by Neha on 07 May 2026

Can you find out which options fits best with the missing column?

Fit the Blocks

Asked by Neha on 28 Dec 2020


Replace the question mark in the picture below.

Fill the Required Number Puzzle

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Amazing Facts

Gambling

In Canada, a mathematical puzzle must be solved in order to win the lottery to classify it as a “game of skill” not gambling.