A hard math riddle
A frog is at the bottom of a 10 meter well. Each day it climbs up 3 meters, and each night it slides back 2 meters. On which day does it reach the top?
💡 Need a hint?
On the last day it does not slide back.
Show the answer
Day 8
Also accepted: 8, the 8th day, eighth day, day eight.
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Frequently asked questions
What is the answer to the riddle "A frog is at the bottom of a 10 meter well. Each day it climbs up 3 meters, and each night it slides back 2 meters. On which day does it reach the top?"
The answer is Day 8. On the last day it does not slide back.
Is this riddle hard?
It is rated hard. Many adults need the hint, so do not worry if it takes a while.
Where can I find more riddles like this?
This riddle is in the math riddles and puzzles, logic puzzles, riddles for adults, and hard riddles lists on Quiz Zoomies, each with hints and hidden answers.
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