Tricky Problem On Probability

There was a blind man. He had four socks in his drawer either black or white. He opened it and took out two socks. Now the probability that it was a pair of white socks is 1/2.

Can you find out the probability that he had taken out a pair of black socks ?




Similar Riddles

Below, you will find the mathematical proof that 10 equals 9.99999?. But is that possible or there is something wrong about it? Can you find the error?

x = 9.999999...
10x = 99.999999...
10x - x = 90
9x = 90
x = 10

Asked by Neha on 27 Aug 2021


A man was driving a black truck. His lights were not on. The moon was not out. A lady was crossing the street. How did the man see her?

Asked by Neha on 06 Mar 2022

James Bond is caught up in a mysterious scenario where the evil villain has him blindfolded. He somehow breaks through the handcuffs but is unable to get the blindfold off. Upon searching, he comes across a bow and 3 arrows. He can hear the villain speak, and thus tries to take a shot at him. He launches the first arrow, it misses the villain. He then launches the second arrow and it misses by a greater margin.

What is the probability that this third shot our James bond takes will be worse than the second shot?

Asked by Neha on 21 Jun 2023


In the image below, can you find the value of an angle(y)

The angle of a triangle

Asked by Neha on 17 May 2023

You see me once in June, twice in November, and not at all in May. What am I?

Asked by Neha on 31 Jul 2025

What does it mean?

What does it mean?

Asked by Neha on 03 Mar 2025


In the given picture, in how many ways can you read the word "Tiger"?

Read Word Tiger

Asked by Neha on 21 May 2023

What word begins and ends with an E, but has only one letter?

Asked by Neha on 21 Oct 2021

Can you identify the hidden rebus in the image below?

Name the Coded Animal

Asked by Neha on 01 Feb 2021


A mathematician couple was having a Frappuccino in Starbucks sitting opposite to each other. Suddenly the guy noticed the text written on the paper in front of them and exclaimed that it was wrong. The girl denied it and said it is appropriate. Both are correct. What is written on the paper?

Asked by Neha on 11 Jul 2023

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Crossword puzzles

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