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Number Puzzles

Part of Math Riddles collection

Explore 655+ unique, interactive number puzzles puzzles.

Fun counting games, prime number riddles, and secret code math challenges.

Interactive Riddle Challenge

Showing Number Puzzles riddles
Easy +14 XP
The Number Sequence IQ
What number comes next: 1, 1, 2, 3, 5, 8, 13, ?
4,696 solved IQ Puzzle Riddles
Medium +25 XP
The Missing Number Grid
In a magic square, every row, column, and diagonal sums to the same number....
23,338 solved Geometry Riddles
Easy +15 XP
The Growing Number
I go up by one every year on your special day. You blow out...
14,516 solved Kids Birthday Riddles
Hard +12 XP
The Two Egg Problem Generalized
You have 2 eggs and a 100-story building. You need to find the highest...
8,905 solved Hard Logic Riddles
Medium +19 XP
The Sum of Angles
What is the sum of the interior angles of a 100-sided polygon?
15,765 solved Geometry Riddles
Hard +18 XP
The Fibonacci Modular
What is the ones digit of the 100th Fibonacci number?
8,759 solved Hard Logic Riddles
Hard +12 XP
The Digital Root
What is the digital root of 2^2024?
17,180 solved Hard Logic Riddles
Hard +15 XP
The Ballot Problem
Candidate A gets 60 votes, B gets 40. What is the probability A leads...
24,403 solved Hard Logic Riddles
Hard +22 XP
The Unprovable Truth
According to Godels theorem, in any sufficiently powerful mathematical system, there are statements that...
21,173 solved Genius Level Riddles
Hard +14 XP
The Banach-Tarski Ball
A mathematical theorem says you can take a solid ball, split it into a...
18,013 solved Genius Level Riddles
Hard +16 XP
The Omega Point
What number is so large that it contains the answer to every possible mathematical...
17,479 solved Genius Level Riddles
Hard +14 XP
The Cardinality Jump
Are there more real numbers between 0 and 1 than there are natural numbers...
10,096 solved Genius Level Riddles
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