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

Which is Odd One Out and why?

4377

3954

9862

8454

9831

Asked by Neha on 09 Jan 2024


Ten coins have been arranged as you can see in the given picture. In this arrangement, a triangle is formed pointing upwards. You have to invert the position of the triangle and make it point downwards while changing the position of 3 coins only. Can you do it?

Visual Thinking Riddle

Asked by Neha on 05 May 2026

Which tank will fill first?

Tank Fill Riddle

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You can see three almost identical images below. Can you spot the odd one out from them?


Find the Odd One Out

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Who always enjoys poor health?

Who enjoys poor health?

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Find the next number in the series below

21 32 54 87 131 ?

Asked by Neha on 16 Nov 2023


Suppose that you are trapped on the surface of a frozen lake. The surface is so smooth and ideal that there is no friction at all. You cant make any grip on the ice and no wind is blowing to help you out. You have just a mobile phone with you which has got no reception disabling you to call for help.

How will you plan your escape before you freeze to death on the frozen lake?

Asked by Neha on 25 Dec 2020

Okay before we begin with the puzzle, do keep in mind that you have to answer it quickly.

You are participating in a car race. Seeking the perfect moment, you overtake the second person in the race. What positions are you in now?

Asked by Neha on 22 Dec 2025

Two guards were on duty outside a barracks. One faced up the road to watch for anyone approaching from the North. The other looked down the road to see if anyone approached from the South. Suddenly one of them said to the other, "Why are you smiling?"

How did he know his companion was smiling?

Asked by Neha on 24 Apr 2022


There is a movie name hidden in the picture that is attached with this question. Can you find out which movie is it?

Movie in Rabus

Asked by Neha on 14 May 2021

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Crossword puzzles

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