← Paradoxes & riddles
1:42
The Two Eggs Puzzle
100 floors, 2 eggs, fewest drops
A building has 100 floors. You want to find the highest floor you can drop an egg from without it breaking. You have 2 identical eggs; a broken egg can't be reused. What is the fewest drops that guarantees you find the answer?
Source: A classic puzzle, retold by INFINITE SUM and fact-checked against our curated notes
Want another one?
Type the name of a paradox or riddle you've heard of, or browse the rest of the archive.