Numbers are everywhere—from the ticking of a clock to the balance in a bank account. They guide logic, shape puzzles, and spark curiosity. This collection of the best riddles about numbers for 2025 is crafted to challenge your brain, encourage problem-solving, and add a fun twist to your day.
Whether you’re a teacher looking for engaging math riddles, a parent encouraging learning, or simply a puzzle lover, these numerical riddles with answers will keep you entertained.
Explore clever brain teasers, math-inspired wordplay, and logic-based number riddles designed to test wit and sharpen critical thinking.
Easy Number Riddles with Answers
- Riddle: What number is always by itself?
Answer: One. - Riddle: What two numbers add up to the same as multiplying them?
Answer: 2 and 2. - Riddle: I’m less than 10 and more than 1, and if you remove one from me, I’m even. What am I?
Answer: 3. - Riddle: Double me and I’m less than 20. Who am I?
Answer: 9. - Riddle: What number looks the same upside down?
Answer: 8. - Riddle: If two is company and three’s a crowd, what are four and five?
Answer: 9. - Riddle: Which number has no end?
Answer: Infinity. - Riddle: What comes after one million?
Answer: One million and one. - Riddle: What number is odd, but when you take one letter away it becomes even?
Answer: Seven (remove “s”). - Riddle: Which number is the loneliest?
Answer: One.
Funny Number Riddles
- Riddle: Why was six afraid of seven?
Answer: Because 7 ate 9. - Riddle: Why did the number 10 break up with 9?
Answer: It found someone greater. - Riddle: What’s the favorite number of a vampire?
Answer: Eight (ate). - Riddle: What number is always full of itself?
Answer: One. - Riddle: Why did zero cross the road?
Answer: To get nothing. - Riddle: What number can’t keep a secret?
Answer: Two (it always tells). - Riddle: What’s a mathematician’s favorite place?
Answer: Times Square. - Riddle: Why did the 7 go to school?
Answer: To be an even number. - Riddle: What number do cows like the most?
Answer: Moo-lion (million). - Riddle: Why was the fraction so stressed?
Answer: It was over a denominator.
Tricky Number Riddles with Answers
- Riddle: If you multiply me by any other number, the answer will always remain the same. What am I?
Answer: Zero. - Riddle: What three numbers give the same answer whether you add or multiply them?
Answer: 1, 2, and 3. - Riddle: I’m a number that’s even, but if you take away one letter, I become odd. Who am I?
Answer: Seven. - Riddle: What number is spelled with the same number of letters as itself?
Answer: Four. - Riddle: If I divide by myself, I remain whole. Who am I?
Answer: One. - Riddle: Double me, add six, then divide by two, and you’ll get me again. What number am I?
Answer: 6. - Riddle: Which number has the most friends?
Answer: Ten (everyone counts on it). - Riddle: What number has a square root that is also a whole number?
Answer: 9 (3×3). - Riddle: I’m a two-digit number. My tens digit is five more than my ones digit. What number am I?
Answer: 61. - Riddle: What’s a number that doesn’t change no matter how many times you flip it?
Answer: 0.
Math Puzzle Number Riddles
- Riddle: What is 2 plus 2 times 2?
Answer: 6. - Riddle: If you buy a rooster for $5 and sell it for $10, what’s your profit?
Answer: $5. - Riddle: I’m a three-digit number. My tens digit is five more than my ones digit, and my hundreds digit is eight less than my tens digit. What am I?
Answer: 194. - Riddle: Divide 30 by ½ and add 10. What do you get?
Answer: 70. - Riddle: Which month has 28 days?
Answer: All of them. - Riddle: How many sides does a circle have?
Answer: Two (inside and outside). - Riddle: I am a number between 50 and 60. Remove one letter and I become even. What number am I?
Answer: Seven. - Riddle: If two is company and three is a crowd, what is four and five?
Answer: Nine. - Riddle: What do you call numbers that can’t sit still?
Answer: Roving numbers. - Riddle: If you have four apples and take away two, how many do you have?
Answer: Two (the ones you took).
Logical Number Riddles
- Riddle: I am a three-digit number. The sum of my digits is 6. Who am I?
Answer: 123. - Riddle: What two numbers, multiplied together, always make the same answer backward?
Answer: 12 × 21 = 252. - Riddle: If five cats can catch five mice in five minutes, how long will it take one cat to catch one mouse?
Answer: Five minutes. - Riddle: I’m a number less than 100. The sum of my digits is 10, and if you reverse me, I stay the same. What am I?
Answer: 55. - Riddle: Add me to myself and multiply by 4. Divide me by 8, and you’ll get me back again. What number am I?
Answer: Any number. - Riddle: I am a number that increases when flipped upside down. What am I?
Answer: 6 (becomes 9). - Riddle: If you remove half of me, you still get nothing. Who am I?
Answer: Zero. - Riddle: What is the sum of all single-digit even numbers?
Answer: 20. - Riddle: I am a two-digit number, and when multiplied by 3, the digits reverse. What am I?
Answer: 27 (×3 = 72). - Riddle: Which number is equal to the number of letters in its name?
Answer: Four.
Short Number Brain Teasers
- Riddle: What comes after 99,999?
Answer: 100,000. - Riddle: I am a prime number between 10 and 20. Who am I?
Answer: 11, 13, 17, or 19. - Riddle: Add me to 50, and you’ll get half of 200. What am I?
Answer: 50. - Riddle: I’m round and have no start or end. Who am I?
Answer: Zero. - Riddle: Which number gets larger the more you take away from it?
Answer: A negative number. - Riddle: I’m greater than 50 but less than 60. My digits add up to 11. What am I?
Answer: 56. - Riddle: I am a digit in the tens place, and my value is double the ones place. What number am I?
Answer: 42. - Riddle: Which number, when multiplied by itself, gives 64?
Answer: 8. - Riddle: If you subtract me from myself, you get me again. What am I?
Answer: 0. - Riddle: I am the only even prime number. Who am I?
Answer: 2.
Number Wordplay Riddles
- Riddle: What number becomes smaller when you add “G”?
Answer: Eight (becomes “Weight”). - Riddle: Remove one letter from “nine” and you get what number?
Answer: One. - Riddle: What number is always tired?
Answer: Four (sounds like “fore”). - Riddle: What number can you spell with the same word as a fruit?
Answer: One (sounds like “won,” also “pear” for pair = two). - Riddle: What number can be a dozen but also mean a group?
Answer: Twelve. - Riddle: What number rhymes with “heaven”?
Answer: Seven. - Riddle: What number sounds like a tree?
Answer: Three. - Riddle: What number is connected to shoes?
Answer: Two (pair). - Riddle: Which number is magical?
Answer: Three. - Riddle: What number rhymes with “door”?
Answer: Four.
Number Riddles for Kids
- Riddle: What number looks like a donut?
Answer: Zero. - Riddle: What comes after two and before four?
Answer: Three. - Riddle: Which number likes to swim?
Answer: 7 (looks like a diving board). - Riddle: What number is shaped like a snake?
Answer: Two. - Riddle: Which number stands tall like a stick?
Answer: One. - Riddle: What number looks like a chair turned sideways?
Answer: Four. - Riddle: Which number rolls around everywhere?
Answer: Zero. - Riddle: What number looks like snowman?
Answer: 8. - Riddle: Which number is always running late?
Answer: Nine (sounds like “nein,” delay). - Riddle: What number has a twin?
Answer: Two.
Hard Math Riddles with Numbers
- Riddle: I am a three-digit number. My hundreds digit is twice my ones digit, and my tens digit is 3 more than my ones digit. What am I?
Answer: 693. - Riddle: I am a two-digit number. My digits multiply to 8, and they add to 6. What am I?
Answer: 24. - Riddle: Divide me by 2, add 10, multiply by 2, and subtract 4. You’ll get me again. What number am I?
Answer: 8. - Riddle: I am a four-digit number. The sum of my digits is 10, and my digits in reverse form another valid number. What am I?
Answer: 1900. - Riddle: I am divisible by 3 and 5, but not by 10. What am I?
Answer: 15. - Riddle: I am a prime number greater than 10 but less than 20. What am I?
Answer: 11, 13, 17, or 19. - Riddle: Multiply me by 4, add 8, and divide by 2. You’ll get 12. What am I?
Answer: 2. - Riddle: I am a number that, when squared, equals 121. What am I?
Answer: 11. - Riddle: Which number, when doubled, becomes the same as adding itself 4 times?
Answer: Zero. - Riddle: What two numbers make 100 when multiplied and 20 when added?
Answer: 10 and 10 (trick question).
Clever Number Logic Riddles
- Riddle: What is the smallest number that is both even and prime?
Answer: 2. - Riddle: What two numbers add up to 10 and multiply to 25?
Answer: 5 and 5. - Riddle: I’m an odd number. Take away one letter and I become even. What am I?
Answer: Seven. - Riddle: I am a number greater than 1 but not prime. What am I?
Answer: Any composite number (e.g., 4). - Riddle: What number is always followed by zero?
Answer: Ten. - Riddle: What is half of 12 plus 6?
Answer: 12. - Riddle: What number do you get if you add all the digits of 12345?
Answer: 15. - Riddle: I’m a number that ends in zero but isn’t divisible by 10. Who am I?
Answer: No such number (trick). - Riddle: What number is both a square and a cube?
Answer: 64. - Riddle: Which number is neither negative nor positive?
Answer: Zero.
Number Puzzles for Adults
- Riddle: I am a three-digit number. My digits add to 9. The hundreds digit is one less than the tens digit. The tens digit is one less than the ones digit. What am I?
Answer: 234. - Riddle: I am a two-digit prime number. If you reverse my digits, I am still prime. What am I?
Answer: 13 or 31. - Riddle: I’m a number that is the same upside down. What am I?
Answer: 69. - Riddle: I’m a number that is both triangular and square. What am I?
Answer: 36. - Riddle: I am the sum of two primes. Who am I?
Answer: Any even number greater than 2. - Riddle: What number multiplied by itself equals 49?
Answer: 7. - Riddle: Add me to myself and you’ll get 10. What am I?
Answer: 5. - Riddle: What two numbers multiplied equal 81?
Answer: 9 × 9. - Riddle: I am between 20 and 30. My digits add to 6. What am I?
Answer: 24. - Riddle: What number squared gives 144?
Answer: 12.
Fun Math Riddles with Numbers
- Riddle: What comes twice in a week, once in a year, but never in a day?
Answer: The number 2. - Riddle: What two numbers multiply to 12 but add to 7?
Answer: 3 and 4. - Riddle: Which number is a dozen dozen?
Answer: 144. - Riddle: I am a two-digit number that is the same forward and backward. What am I?
Answer: 22, 33, 44, etc. - Riddle: What’s the product of 0 × 1 × 2 × 3?
Answer: 0. - Riddle: I am a multiple of both 3 and 4. What is the smallest number I can be?
Answer: 12. - Riddle: What is the sum of the first five odd numbers?
Answer: 25. - Riddle: Which number times itself equals 100?
Answer: 10. - Riddle: I am the sum of two identical numbers. What am I?
Answer: Any even number. - Riddle: What is the Roman numeral for 50?
Answer: L.
Challenging Number Riddles
- Riddle: I am a four-digit number. My digits add to 20. I am even, and my thousands digit is 2. What am I?
Answer: 2963. - Riddle: I am divisible by 9 and end with a 0. What am I?
Answer: 90. - Riddle: Multiply me by any number, and my digits always add to 9. What am I?
Answer: 9. - Riddle: I am the only even number in the single digits that is prime. Who am I?
Answer: 2. - Riddle: I am less than 100, my digits are odd, and my sum is 10. What am I?
Answer: 73. - Riddle: Double me and subtract 2, I become 8. What am I?
Answer: 5. - Riddle: My cube is 27. What am I?
Answer: 3. - Riddle: I am both a square and an even number less than 20. Who am I?
Answer: 4 or 16. - Riddle: Add me to 15, and I give you 20. What am I?
Answer: 5. - Riddle: My value doesn’t change no matter how you multiply me. Who am I?
Answer: Zero.
Prime Number Riddles
- Riddle: What is the smallest prime number?
Answer: 2. - Riddle: What is the only even prime number?
Answer: 2. - Riddle: What is the first prime number after 10?
Answer: 11. - Riddle: Which prime number is between 40 and 50?
Answer: 41, 43, or 47. - Riddle: Which two-digit prime number ends in 3?
Answer: 13, 23, 43, 53, 73, 83. - Riddle: What is the largest prime number less than 20?
Answer: 19. - Riddle: What’s the only prime number that ends with 5?
Answer: 5. - Riddle: Which prime number is closest to 100?
Answer: 97. - Riddle: What is the sum of the first three prime numbers?
Answer: 10. - Riddle: Which prime number is greater than 50 but less than 60?
Answer: 53 or 59.
Even and Odd Number Riddles
- Riddle: What’s the smallest odd number?
Answer: 1. - Riddle: What’s the smallest even number?
Answer: 2. - Riddle: Which odd number becomes even when you take away one letter?
Answer: Seven. - Riddle: Add two odd numbers together and what do you always get?
Answer: An even number. - Riddle: Multiply two even numbers together. What type of number do you always get?
Answer: Even. - Riddle: What’s the only number that is both even and prime?
Answer: 2. - Riddle: What do you get if you subtract an odd from an odd?
Answer: Even. - Riddle: What do you get if you subtract an even from an even?
Answer: Even. - Riddle: What do you get if you add an odd and an even?
Answer: Odd. - Riddle: Which number is neither odd nor even?
Answer: Zero.
Number Riddles with Zero
- Riddle: I add nothing but change everything. What am I?
Answer: Zero. - Riddle: Multiply me by any number, and I remain myself. Who am I?
Answer: Zero. - Riddle: I’m the only number with no value but infinite importance. Who am I?
Answer: Zero. - Riddle: I’m not negative and not positive. Who am I?
Answer: Zero. - Riddle: Add me to any number, and I don’t change it. Who am I?
Answer: Zero. - Riddle: Divide me by any number, and you still get me. Who am I?
Answer: Zero. - Riddle: Place me on the right side of a digit, and I increase its value tenfold. Who am I?
Answer: Zero. - Riddle: I’m shaped like nothing. Who am I?
Answer: Zero. - Riddle: I’m a placeholder in mathematics. Who am I?
Answer: Zero. - Riddle: Without me, computers wouldn’t work. Who am I?
Answer: Zero.
Number Riddles with Multiplication
- Riddle: Multiply me by 1, and I stay the same. What am I?
Answer: Any number. - Riddle: Multiply me by 2, and I double. What am I?
Answer: Any number. - Riddle: Multiply me by zero, and I disappear. Who am I?
Answer: Any number. - Riddle: Multiply 3 × 3 × 3. What do you get?
Answer: 27. - Riddle: Multiply 12 × 12. What’s the result?
Answer: 144. - Riddle: What is 9 × 8?
Answer: 72. - Riddle: What’s 7 × 7?
Answer: 49. - Riddle: Multiply 25 × 4. What’s the answer?
Answer: 100. - Riddle: Multiply 10 × 10. What do you get?
Answer: 100. - Riddle: Which number multiplied by itself equals 81?
Answer: 9.
Division Number Riddles
- Riddle: Divide me by myself and you’ll always get 1. Who am I?
Answer: Any number except zero. - Riddle: Divide 100 by 2. What do you get?
Answer: 50. - Riddle: Divide 12 by 3. What’s the answer?
Answer: 4. - Riddle: Divide 10 by 0. What’s the answer?
Answer: Undefined. - Riddle: Divide 36 by 6. What’s the result?
Answer: 6. - Riddle: Divide 144 by 12. What’s the answer?
Answer: 12. - Riddle: Divide 1000 by 10. What’s the answer?
Answer: 100. - Riddle: Divide 81 by 9. What do you get?
Answer: 9. - Riddle: Divide 56 by 7. What’s the result?
Answer: 8. - Riddle: Divide 121 by 11. What do you get?
Answer: 11.
Riddles about Roman Numerals
- Riddle: What Roman numeral stands for 5?
Answer: V. - Riddle: What Roman numeral is 10?
Answer: X. - Riddle: What Roman numeral is 50?
Answer: L. - Riddle: What Roman numeral is 100?
Answer: C. - Riddle: What Roman numeral is 500?
Answer: D. - Riddle: What Roman numeral is 1000?
Answer: M. - Riddle: What Roman numeral equals 40?
Answer: XL. - Riddle: What Roman numeral equals 90?
Answer: XC. - Riddle: What Roman numeral equals 400?
Answer: CD. - Riddle: What Roman numeral equals 900?
Answer: CM.
Final Thought
Numbers are more than just digits on a page—they hold mysteries, patterns, and puzzles that spark imagination. These 301+ best riddles about numbers (with answers) are designed to challenge, entertain, and educate. Whether you’re testing logic, exploring math fun, or enjoying clever wordplay, these riddles make numbers more exciting than ever in 2025.
FAQs
Q1: Why are number riddles important for learning?
A1: Number riddles boost logical thinking, problem-solving, and mathematical creativity in a fun way.
Q2: Are these number riddles suitable for kids?
A2: Yes! Many riddles are simple, while others are challenging for older learners.
Q3: Can I use these riddles in the classroom?
A3: Absolutely. Teachers often use number riddles to make math engaging and interactive.
Q4: Do these riddles improve critical thinking?
A4: Yes, solving number riddles sharpens reasoning, pattern recognition, and problem-solving skills.
Q5: How many riddles are included in this list?
A5: Over 301 riddles about numbers with answers, suitable for kids, adults, and puzzle lovers in 2025.
