Welcome to the world of Number Riddles, where numbers come to life and challenge your mind to solve some of the most intriguing puzzles out there! If you’re a fan of brain teasers, logic puzzles, or just enjoy testing your mathematical skills, then you’ve come to the right place. In this blog, we’ll explore some of the most creative and challenging number riddles with answers that will leave you scratching your head and craving for more. From simple addition and subtraction problems to complex equations and patterns, these riddles will put your numerical skills to the test and keep you entertained for hours on end. So, get ready to exercise your brain and dive into the exciting world of number riddles!
Also read: Pirate Riddles With Answers
Number Riddles with Answers
1. A little girl goes to the store and buys one dozen eggs. As she is going home, all but three eggs break. How many eggs are left unbroken? Answer: Three
2. A man has 9 children. Half of them are boys. How is this possible? Answer: They are all boys.
3. A word I know, Six letters it contains. Subtracting just one, and twelve is what remains. Answer: Dozens
4. Among those numbers whose literal representation in capital letters consists only of straight line segments (for example, FIVE), only one number has a value equal to the number of segments used to write it. What is the number? Answer: 29
5. At the time of shipping, Tom can place 10 small boxes or 8 large boxes into a carton. A total of 96 boxes were sent in one shipment. The number of small boxes was less than large boxes. What is the total number of cartons he shipped? Answer: 11 cartons. 4 small boxes (410 = 40 boxes) 7 large boxes (78 = 56 boxes). So 96 boxes and 11 total cartons
6. Double my number, I’m less than a score, and Half of my number is less than four. Add one to my double when bakers are near, Days of the week are still greater, I fear. Answer: Six
7. How did the soccer fan know before the game that the score would be 0-0? Answer: The score is always 0-0 before the game.
8. How many times can you subtract the number 5 from 25? Answer: Once, because after you subtract 5 from 25 it becomes 20.
9. I add five to nine, and get two. The answer is correct, but how? Answer: When it is 9 am, add 5 hours to it and you will get 2 pm.
10. I am a number between 1 and 100. If you add up all the digits in me, the sum is 5. What number am I? Answer: 5.
11. I am a number that is both a multiple of 5 and a perfect square. What number am I? Answer: 25.
12. I am a number that when you divide me by 2, I give you a whole number. What number am I? Answer: Any even number.
13. I am a three-digit number. The second digit is four times as big as the third digit, while the first digit is three less than the second digit. What number am I? Answer: 141.
14. I am a three-digit number. The sum of my digits is 18. If you reverse my digits, I become a number that is 198 less than mine. What number am I? Answer: 693.
15. I am an odd number. Take away a letter and I become even. What number am I? Answer: Seven (take away the “s” and it becomes “even”).
16. If there are three apples and you take away two, how many apples do you have? Answer: You have two apples.
17. If two’s company and three’s a crowd, what are four and five? Answer: 9
18. If you divide thirty by half, and add ten, what do you get? Answer: 70
19. If you multiply me by any number, the answer will always remain the same. What number am I? Answer: 1.
20. If you multiply this number by any other number, the answer will always be the same. What number is this? Answer: Zero
21. Place three matches on a table. Tell a friend to add two more matches to make eight. Answer: Add two matches to make a roman numeral eight.
22. Tom was asked to paint the number of plates on 100 apartments which means he will have to paint numbers 1 through 100. Can you figure out the number of times he will have to paint the number 8? Answer: 20 times. (8, 18, 28, 38, 48, 58, 68, 78, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 98)
23. Using only addition, how can you add eight 8’s to get the number 1,000? Answer: 888 +88 +8 +8 +8 =1,000
24. What can you put between a 7 and an 8 so that the result is greater than a seven, but less than an eight? Answer: A decimal. 7.8 is greater than 7, but less than 8
25. What did one math book say to the other math book? Answer: Do you want to hear my problems?
26. What did the triangle say to the circle? Answer: You’re pointless.
27. What is always in front of you but can’t be seen? Answer: The future.
28. What is the highest number that can be written with three digits? Answer: (9⁹)⁹ = 9³⁸⁷⁴²⁰⁴⁸⁹, which is a number with more than 369 million digits.
29. What is the maximum possible number of times you can subtract the number 5 from the number 25? Answer: Only once. This is because when you subtract 5 from 25 for the first time, it becomes the number 20, then 15, and so on.
30. What number can you subtract half from to obtain a result of zero? Answer: The number 8. It’s made up of two zeros, one on top of the other.
31. What number comes next in the following sequence: 1, 11, 21, 1211, 111221, 312211, …? Answer: 13112221 (each term describes the previous term – the first term is “1”, the second term is “one 1”, the third term is “two 1s”, the fourth term is “one 2 and one 1”, the fifth term is “one 1, one 2, and two 1s”, and so on).
32. What starts with an E, ends with an E, but only contains one letter? Answer: An envelope.
33. What three whole, positive numbers have the same answer when multiplied together as when added together? Answer: 1, 2 and 3. 1 x 2 x 3 = 1 + 2 + 3 = 6
34. What two whole, positive numbers have a one-digit answer when multiplied and a two-digit answer when added? Answer: 1 and 9.
35. What two whole, positive numbers have the same answer when multiplied together as when added together? Answer: 2 and 2.
36. What two-digit numbers are each equal to their right-most digit squared? Answer: 25 = 5² and 36 = 6².
37. When things go wrong, what can you always count on? Answer: Your fingers
38. Which is heavier: a ton of bricks or a ton of feathers? Answer: Neither—they both weigh a ton.
39. You are given 3 positive numbers. You can add these numbers and multiply them together. The result you get will be the same. Which are the numbers? Answer: 1, 2 and 3
40. You’re sitting down for breakfast and realize you have 4 bagels left. You know you’ll run out in four days so you cut them in half. How many bagels do you have now? Answer: 4 Bagels
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