NUMBERS RIDDLES

This collection contains a small set of extremely short, number riddles which can be solved in just a few minutes. Are you up for the number challenge?

Numbers Riddles
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Number Riddles To Solve

The purpose of this collection is to entertain the brain.  The correct answer to this set of number riddles isn't always the obvious one.  Print these number riddles and add some fun to your kid's lunch or use them as a fun riddle exercise for the classroom. Enjoy!

How Many Times Can You Subtract The Number 5 From 25
Riddle: How many times can you subtract the number 5 from 25?
Answer: Once, because after you subtract 5 from 25 it becomes 20.
Numbers Riddles

What Two Whole, Positive Numbers Have A One-digit Answer When Multiplied
Riddle: What two whole, positive numbers have a one-digit answer when multiplied and a two-digit answer when added?
Answer: 1 and 9.

Numbers Multiplied And Added Riddle
Riddle: What two whole, postive numbers have the same answer when multiplied together as when added together?
Answer: 2 and 2.
Numbers Riddles

Three Numbers Multiplied And Added Riddle
Riddle: 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.

What Two Whole, Positive Numbers Have The Same Answer When Multiplied Together As When One Is Divided By The Other?
Riddle: What two whole, positive numbers have the same answer when multiplied together as when one is divided by the other?
Answer: Any number and 1.
Numbers Riddles

Numbers Multiplied And Doubled Riddle
Riddle: What two-digit number equals two times the result of multiplying its digits?
Answer: 36 = 2 x 3 x 6.

Number Squared Riddle
Riddle: What two-digit numbers are each equal to their right-most digit squared?
Answer: 25 = 5² and 36 = 6².
Numbers Riddles

Number Zero Riddle
Riddle: 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.

Hight Three Digit Number Riddle
Riddle: 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.
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Numbers Riddles Answers:

  1. Once, because after you subtract 5 from 25 it becomes 20.
  2. 1 and 9.
  3. 2 and 2.
  4. 1, 2 and 3.  1 x 2 x 3 = 1 + 2 + 3 = 6.
  5. Any number and 1.
  6. 36 = 2 x 3 x 6.
  7. 25 = 5² and 36 = 6².
  8. The number 8.  It's made up of two zeros, one on top of the other.
  9. (9⁹)⁹ = 9³⁸⁷⁴²⁰⁴⁸⁹, which is a number with more than 369 million digits.