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

Two men play a dice game involving roll of two standard dice. Man X says that a 12 will be rolled first. Man Y says that two consecutive 7s will be rolled first. The men keep rolling until one of them wins.

What is the probability that X will win ?

Asked by Neha on 13 Apr 2023


I am sometimes honest
Sometimes dishonest
I can be sweet and also bitter
I can hurt you real bad and
also make u smile and blush ☺️
What am I?

Asked by Neha on 14 May 2021

What do the following words have in common?

Assess
Banana
Dresser
Grammar
Potato
Revive
Uneven
Voodoo

Asked by Neha on 09 Dec 2025


What is common among 11, 69, and 88?

What is common here

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You are given four results as below:
1111 = F
2222 = E
3333 = T
Then, can you find out how to code 4444?

Asked by Neha on 29 Nov 2023

I cannot talk, but I always reply when spoken to. What am I?

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What does below Rebus say?

XLR8

Asked by Neha on 10 May 2021

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

Asked by Neha on 14 Mar 2026

One of the leprechaun is missing if you see the two pictures attached to this question. Where did he go? When he comes back, do you know where has he been?

Leprechaun Puzzle

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There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

Asked by Neha on 17 Jul 2023

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Amazing Facts

Out of the Box

The phrase “thinking outside the box” was popularised from the solution to a topographical puzzle involving 9 dots in a box shape.