Near Impossible Riddles

Part of Impossible Riddles collection

Explore 20+ unique, interactive near impossible riddles puzzles.

So close to unsolvable, yet with a clever twist hiding in plain sight. Can you find it?

Interactive Riddle Challenge

Showing Near Impossible Riddles riddles
Hard +17 XP
The King and Cups
A king has 240 cups of wine. He must find the single poisoned cup...
Hard +22 XP
The 100 Coin Flip
You flip 100 coins. What is the probability that exactly 50 are heads?
Hard +11 XP
The Seven Bridges
Can you walk through Konigsberg crossing each of its 7 bridges exactly once?
Hard +11 XP
The Rope Around Earth 2
If you added 1 meter to a rope wrapped around the equator, how high...
Hard +19 XP
The Recursive Riddle
A riddle asks: What is the answer to this riddle? What is the answer?
Medium +15 XP
The Dark Room Puzzle
You are in a pitch-dark room with a drawer of 10 blue and 10...
Hard +18 XP
The Fibonacci Test
The ratio of consecutive Fibonacci numbers approaches a specific irrational number as they grow....
Hard +25 XP
The Last Ball
A bag has 20 blue and 14 red balls. You repeatedly remove 2 balls:...
Hard +15 XP
The Prime Gap
Is there always a prime number between n and 2n for any integer n...
Hard +13 XP
The Impossible Bottle
A full-size playing card deck is inside a glass bottle with a neck too...
Medium +11 XP
The Dozen Dozen Dozen
What is a dozen dozen dozen?
Medium +14 XP
The One in a Million
In a city of 8 million people, if something has a one-in-a-million chance of...
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