Numbers help us understand quantities, compare things, and solve problems. Number riddles are puzzles and brain teasers that involve numbers and mathematical concepts. These riddles involve basic mathematical operations such as addition, subtraction, multiplication, or division.
They provide a fun and challenging way to engage with numbers and math, appealing to those who enjoy mental challenges. Solving these riddles in groups can be a social activity that encourages teamwork and collaboration. Many kids solve these riddles to improve their problem-solving skills, critical thinking, and logical reasoning.
Intrigued by these riddles? Go and check out the list of various number riddles given below and test your skills. They are a source of both entertainment and education.
Number Riddles for Kids
Que : I am a number. When you reverse my digits, I am less than the original number by 9. What number am I?
Answer : 21
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Que : I am 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 number am I?
Answer : 194
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Que : I am a number. I am twice the sum of my digits. What number am I?
Answer : 18
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Que : I am a number. When multiplied by 2, I am half of 100. What number am I?
Answer : 25
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Que : I am a number. I am the same whether I am read forwards or backwards. What number am I?
Answer : 121
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Que : I am a number. Divide me by 7 and the result is the same as subtracting 7 from me. What number am I?
Answer : 49
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Que : I am a number. Multiply me by 4 and you get 12. What number am I?
Answer : 3
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Que : I am a number. Add me to 15 and the result is 25. What number am I?
Answer : 10
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Q. I am a two-digit number. The product of my digits is 24, and the sum of my digits is 10. What number am I? A. 64 or 46
Solution: Let the tens digit be x and the units digit be y. Given xy = 24 and x + y = 10. Solving for x and y: Possible pairs are (6, 4) and (4, 6).
So, the number can be 64 or 46.
Que : I am a number. I am one less than a dozen. What number am I?
Answer : 11
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Que : I am a number. I am the smallest positive even number. What number am I?
Answer : 2
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Que : I am a number. Add my digits together and the result is 6. I am a multiple of 3. What number am I?
Answer : 33
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Que : I am a number. When you add 10 to me, the digits of the sum are reversed. What number am I?
Answer : 12
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Que : I am a number. Multiply me by 6 and the result is the same as adding me to 30. What number am I?
Answer : 6
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Que : I am a number. I am the square of 4. What number am I?
Answer : 16
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Que : I am a number. If you subtract me from 100, you get 64. What number am I?
Answer : 36
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Que : I am a number. My tens digit is twice my ones digit. I am less than 50. What number am I?
Answer : 24
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Que : I am a number. When you subtract 9 from me, the result is 16. What number am I?
Answer : 25
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Que : I am a number. I am the square root of 49. What number am I?
Answer : 7
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Que : I am a number. When you add 9 to me, the result is 14. What number am I?
Answer : 5
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Que : I am a number. I am the product of 3 and 4. What number am I?
Answer : 12
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Q. I am a two-digit number. When you add 27 to me, the digits of the resulting number are reversed. What number am I? A. 25 or 36
Solution: Let the number be 10x+y. Given 10x + y + 27 = 10y + x. Simplify to 9x − 9y = −27, or x − y = −3. Solving for x and y: Possible pairs are (2, 5), (3, 6).
So, the number is 25 or 36.
Que : I am a number. I am the sum of the first four positive integers. What number am I?
Answer : 10
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Que : I am a number. Multiply me by 5 and the result is 35. What number am I?
Answer : 7
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Que : I am a number. I am less than 50, my tens digit is double my ones digit. What number am I?
Answer : 42
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Que : I am a number. My digits add up to 9, and I am a multiple of 11. What number am I?
Answer : 99
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Que : I am a number. When you multiply me by myself, the result is 144. What number am I?
Answer : 12
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Que : I am a number. When you reverse my digits, I am 27 less than the original number. What number am I?
Answer : 72
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Que : I am a number. My digits sum to 5, and I am a multiple of 5. What number am I?
Answer : 50
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Que : I am a number. When you add my digits together, the result is 6, and I am an even number. What number am I?
Answer : 24
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Que : I am a number. When you multiply me by 3, the result is 18. What number am I?
Answer : 6
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Que : I am a number. When you subtract 4 from me, the result is 12. What number am I?
Answer : 16
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Que : I am a number. My digits add up to 9, and I am a three-digit number. What number am I?
Answer : 117
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Que : I am a number. When you add 10 to me, the result is 15. What number am I?
Answer : 5
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Q. I am a two-digit number. When you subtract 9 from me and reverse my digits, you get the original number. What number am I? A. 21, 32, 43, etc
Solution: Let the number be 10x + y. Given 10x + y − 9 = 10y + x. Simplify to 9x − 9y = 9. Simplify further: x − y = 1. Possible pairs: (2, 1), (3, 2), (4, 3), etc.
So, the number could be 21, 32, 43, etc.
Que : I am a number. When you multiply me by 7, the result is 49. What number am I?
Answer : 7
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Que : I am a number. When you add my digits together, the result is 7, and I am a prime number. What number am I?
Answer : 43
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Que : I am a number. When you divide me by 2, the result is 3. What number am I?
Answer : 6
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Que : I am a number. When you multiply me by 4, the result is 20. What number am I?
Answer : 5
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Que : I am a number. When you subtract 7 from me, the result is 10. What number am I?
Answer : 17
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Que : I am a number. When you add my digits together, the result is 8, and I am an even number. What number am I?
Answer : 26
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Que : I am a number. When you multiply me by 9, the result is 81. What number am I?
Answer : 9
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Que : I am a number. When you subtract 5 from me, the result is 8. What number am I?
Answer : 13
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Que : I am a number. When you add 6 to me, the result is 12. What number am I?
Answer : 6
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Que : I am a number. When you multiply me by 8, the result is 64. What number am I?
Answer : 8
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Que : I am a number. When you subtract 3 from me, the result is 9. What number am I?
Answer : 12
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Que : I am a number. When you add my digits together, the result is 5, and I am a two-digit number. What number am I?
Answer : 23
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Q. I am a two-digit number. The difference between my digits is 3, and the product of my digits is 54. What number am I? A. 96 or 69
Solution: Let the digits be x and y. Given ∣x−y∣ = 3 and xy = 54. Solving for x and y: Possible pairs: (9, 6) or (6, 9).
So, the number is 96 or 69.
Que : I am a number. When you multiply me by 6, the result is 36. What number am I?
Answer : 6
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Que : I am a number. When you subtract 9 from me, the result is 7. What number am I?
Answer : 16
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Que : I am a number. When you add 4 to me, the result is 10. What number am I?
Answer : 6
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Que : I am a number. When you multiply me by 5, the result is 25. What number am I?
Answer : 5
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Que : I am a number. When you subtract 6 from me, the result is 5. What number am I?
Answer : 11
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Que : I am a number. When you add 8 to me, the result is 16. What number am I?
Answer : 8
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Que : I am a number. When you multiply me by 4, the result is 28. What number am I?
Answer : 7
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Que : I am a number. When you subtract 3 from me, the result is 8. What number am I?
Answer : 11
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We hope these number riddles have challenged your mind and sharpened your problem-solving skills.
Whether you’re a math enthusiast or just love a good puzzle, keep exploring the world of numbers and uncovering the fun they hold. Share these riddles with friends and family to spread the joy of brain-teasing fun!
I’m a former teacher (and mother of Two Childs) with a background in child development. Here to help you with play-based learning activities for kids. ( Check my Next startup Cledemy.Com)
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