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 normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

Asked by Neha on 26 Dec 2024


Below toothpicks/matchsticks indicate the group of fishes moving from west to east direction. Can you make them move from east to west by just moving three toothpicks/matchsticks?


Floating Fish

Asked by Neha on 14 May 2021

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

Asked by Neha on 19 Oct 2025


A bomb exploded in a room full of married couples and no one died. How?

Asked by Neha on 10 May 2025

There are two beautiful yet remote islands in the South Pacific. The Islanders born on one island always tell the truth, and the Islanders from the other island always lie.
You are on one of the islands and meet three Islanders. You ask the first which island they are from in the most appropriate Polynesian tongue, and he indicates that the other two Islanders are from the same island. You ask the second Islander the same question, and he also indicates that the other two Islanders are from the same island.
Can you guess what the third Islander will answer to the same question?

Asked by Neha on 03 Jan 2026

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

Asked by Neha on 09 Apr 2025


Who is that with a neck and no head, two arms and no hands? What is it?

Asked by Neha on 27 Mar 2022

Three fair coins are tossed in the air and they land with heads up. Can you calculate the chances that when they are tossed again, two coins will again land with heads up?

Asked by Neha on 28 Mar 2024

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

Asked by Neha on 02 Jan 2025


Eight Chelsea player makes the following statements :

1. Seven of us are lying here.
2. Six of us are lying here.
3. Five of us are lying here.
4. Five of us are lying here.
5. Four of us are lying here.
6. Three of us are lying here.
7. My name is Torres.
8. My name is Lampard.

The last two are Lampard and Torres or maybe Torres and Lampard.
So can you deduce which of the last two is Lampard or Torres?

Asked by Neha on 14 Oct 2024

Hot Articles

Amazing Facts

Challenging

There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.