Math riddles are perfect for people who enjoy playful thinking. They look simple at first, but as you read closer, you start to notice hidden patterns or unexpected wording.
That’s what makes puzzles like “math riddles level 23 answer” so fun. They challenge the mind, spark curiosity, and push you to rethink how numbers work.

Below are 33 fresh math riddles inspired by that same spirit, each with an answer and a short explanation to help you understand the trick.
33 Math Riddles Level 23 Answer Puzzles
1. Riddle:
If two is company and three is a crowd, what are four and five?
- Answer: Nine
- Explanation: Instead of thinking in phrases, you add the numbers four and five together.
2. Riddle:
What number becomes bigger when you turn it upside down?
- Answer: Six
- Explanation: When you flip a 6, it becomes a 9, which is larger.
3. Riddle:
If you multiply me by any number, the answer is always the same. What number am I?
- Answer: Zero
- Explanation: Zero multiplied by anything always stays zero.
4. Riddle:
I’m an odd number. Take away a letter and I become even. What number am I?
- Answer: Seven
- Explanation: Remove the “s” from “seven” to get “even.”
5. Riddle:
What comes before 11 and after 9 but is not 10?
- Answer: The number 1 when writing 11
- Explanation: In the number “11,” the first digit (1) comes before the second 1, and it “comes after” 9 in the number list.
6. Riddle:
If you divide 30 by half and add 10, what do you get?
- Answer: 70
- Explanation: Dividing by half is the same as multiplying by 2, so 30 ÷ 0.5 = 60, then add 10.
7. Riddle:
What three numbers give the same answer when added or multiplied?
- Answer: 1, 2, 3
- Explanation: 1 + 2 + 3 = 6 and 1 × 2 × 3 = 6.
8. Riddle:
I add five to nine and get two. How?
- Answer: On a clock
- Explanation: 9 + 5 hours = 2 o’clock.
9. Riddle:
What number increases but never decreases?
- Answer: Your age
- Explanation: Age only moves forward.
10. Riddle:
What digit is always in front, but never in the back?
- Answer: The number 1 in a place value chart
- Explanation: The “ones” place is always at the end, but the digit “1” can lead numbers.
11. Riddle:
A farmer has 17 sheep. All but 9 run away. How many are left?
- Answer: Nine
- Explanation: “All but 9” means 9 remain.
12. Riddle:
How many times can you subtract 5 from 25?
- Answer: Once
- Explanation: After subtracting 5 the first time, you’re no longer subtracting from 25.
13. Riddle:
What number becomes smaller when you add to it?
- Answer: A negative number
- Explanation: Adding to a negative number can make it less in value.
14. Riddle:
If 3 kids eat 3 sandwiches in 3 minutes, how long for 6 kids to eat 6 sandwiches?
- Answer: Three minutes
- Explanation: Each kid eats one sandwich in three minutes.
15. Riddle:
I am a number that’s the same upside down. What number could I be?
- Answer: 88
- Explanation: 88 looks the same if you flip it.
16. Riddle:
What number do you get when you multiply all the numbers on a phone keypad?
- Answer: Zero
- Explanation: Multiplying by zero results in zero.
17. Riddle:
I am an even number. Take away one letter and I become odd. What am I?
- Answer: Eight
- Explanation: Remove the “e” from “eight” to get “ight,” which sounds like “odd.”
18. Riddle:
What two numbers add up to 12 and multiply to 35?
- Answer: 5 and 7
- Explanation: 5 + 7 = 12 and 5 × 7 = 35.
19. Riddle:
If 1 = 5, 2 = 25, 3 = 125, what is 5?
- Answer: 1
- Explanation: It’s a pattern trick: the riddle loops back so 5 = 1.
20. Riddle:
What number becomes zero when divided by itself?
- Answer: None
- Explanation: Any number divided by itself equals one, not zero.
21. Riddle:
If you add me to myself, I change. If you multiply me by myself, I stay the same. What number am I?
- Answer: Zero
- Explanation: Zero plus zero is zero; zero times zero is also zero.
22. Riddle:
What number do you get if you write 2 four times without adding?
- Answer: 2222
- Explanation: You place the digits side by side.
23. Riddle:
I am a number that is greater than 5 but less than 6. What am I?
- Answer: Any decimal between them
- Explanation: Numbers like 5.1 or 5.9 fit.
24. Riddle:
A stick is 10 inches long. I break off 6 inches. How many inches remain?
- Answer: Four
- Explanation: 10 – 6 = 4.
25. Riddle:
If 10 birds sit on a fence and you scare away 3, how many remain?
- Answer: Zero
- Explanation: The rest fly away when startled.
26. Riddle:
What number is spelled in alphabetical order?
- Answer: Forty
- Explanation: The letters in “forty” follow alphabetical order.
27. Riddle:
What number is spelled in reverse alphabetical order?
- Answer: One
- Explanation: O, N, E appears in reverse order.
28. Riddle:
Add me to 20 and make me disappear. What number am I?
- Answer: Negative 20
- Explanation: 20 + (–20) = 0.
29. Riddle:
What is the smallest whole number you can divide by any other number?
- Answer: Zero
- Explanation: Zero divided by any non-zero number is zero.
30. Riddle:
I am a number you can’t divide by 2, 3, 4, or 5. What am I?
- Answer: One
- Explanation: One cannot be divided evenly by these numbers.
31. Riddle:
A number doubled becomes the same as being tripled. What number is it?
- Answer: Zero
- Explanation: 0 × 2 = 0 and 0 × 3 = 0.
32. Riddle:
What two digits create the largest two-digit number?
- Answer: 9 and 9
- Explanation: 99 is the highest two-digit number.
33. Riddle:
I am a number you get when you multiply four by itself and subtract four. What number am I?
- Answer: Twelve
- Explanation: 4 × 4 = 16, and 16 – 4 = 12.
Conclusion
These math riddles show how a simple twist in wording can turn a basic number problem into a fun mystery. That’s the appeal behind puzzles like the “math riddles level 23 answer.”
They make you think differently, look closer, and enjoy the moment you figure out the trick. If you liked these or want to share your own riddles, add them in the comments. Your ideas help others learn and laugh along the way.