# What is the answer to the blue eyes logic puzzle?

## What is the answer to the blue eyes logic puzzle?

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Blue Eyes – The Hardest Logic Puzzle in the World – Solution. If you like formal logic, graph theory, sappy romance, bitter sarcasm, puns, or landscape art, check out my webcomic, xkcd. The answer is that on the 100th day, all 100 blue-eyed people will leave.

### How does the green eyed riddle work?

There is an island with 100 prisoners, all of who have green eyes. All 100 prisoners are perfect logicians. They all want to escape the island. The condition of escaping the island is that one can deduce one’s own eye colour, and tell the guards the answer at midnight.

What can have up to 100 blue eyes?

Welcome to a godforsaken spit of land in the middle of the ocean, where 100 people have blue eyes and 100 have brown.

What is the green-eyed logic puzzle?

When you say that at least 1 dragon has green eyes, he instantly knows it must be him and he’ll become a sparrow that same night. When there are 2 dragons on the island and you say that at least 1 of them has green eyes, they’ll look into each other’s eyes and see that the other has green eyes.

## Can 2 blue eyes make a brown-eyed baby?

This has to do with the fact that blue eyes are supposed to be recessive to brown eyes. This means that if a parent has a brown eye gene, then that parent will have brown eyes. Which makes it impossible for two blue-eyed parents to have a brown-eyed child — they don’t have a brown eye gene to pass on!

### Why is it called Einstein’s riddle?

The puzzle is often called Einstein’s Puzzle or Einstein’s Riddle because it is said to have been invented by Albert Einstein as a boy; it is also sometimes attributed to Lewis Carroll.

Did Einstein actually write Einstein’s Riddle?

The Internet is calling this tricky puzzle “Einstein’s Riddle,” although it may not actually have been written by Albert Einstein (who was probably solving more important puzzles like relativity and nuclear disarmament).