Biased Coin Puzzle

A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?




Similar Riddles

At the local model boat club, four friends were talking about their boats.

There were a total of eight boats, two in each colour, red, green, blue and yellow. Each friend owned two boats. No friend had two boats of the same colour.

Alan didn't have a yellow boat. Brian didn't have a red boat but did have a green one. One of the friends had a yellow boat and a blue boat and another friend had a green boat and a blue boat. Charles had a yellow boat. Darren had a blue boat, but didn't have a green one.

Can you work out which friend had which coloured boats?

Asked by Neha on 15 Jan 2024


A farmer and his neighbour once went to Emperor Akbar"s court with a complaint. "Your Majesty, I bought a well from him," said the farmer pointing to his neighbour, "and now he wants me to pay for the water."
"That"s right, your Majesty," said the neighbour. "I sold him the well but not the water!"?
The Emperor asked Birbal to settle the dispute. How did Birbal solve the dispute?

Asked by Neha on 10 May 2021

Why do Chinese men eat more rice than Japanese men do ?

Asked by Neha on 02 Sep 2021


I have no life, but I can die. What am I?

Asked by Neha on 24 Aug 2025

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

Asked by Neha on 26 Feb 2024

All of Jacob's shoes are red except two.
All of Jacob's shoes are green except two.
All of Jacob's shoes are yellow except two.

How many shoes does Jacob have?

Asked by Neha on 15 Feb 2025


A man walked into a pub and went straight towards the Barman. He asked for a dirty martini from the Barman. The Barman thought something and then pulled out a pistol from his drawer and aimed it directly at the man. Why did he do that?

Asked by Neha on 09 Nov 2023

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

Asked by Neha on 24 Jul 2024

A man dies of old age on his 25 birthday. How is this possible?

Asked by Neha on 13 Feb 2022


Here is a mathematical expression that also secretly tells a movie name. What movie is that?

Guess Movie Name

Asked by Neha on 14 Feb 2021

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Crossword puzzles

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