NUMBER RIDDLES

Fun Facts (Hints)

Math is a part of our lives in almost every way. Check out these interesting facts about math that show why it's the "universal language":
  • The mathematical tool, the wheel, is believed to be first used around 3000 BC.
  • 3000 BC is also the period in which the Ancient Egyptians started using numerals. As evidenced in their hieroglyphics.
  • Fahrenheit invented his thermometer in 1718. Thermometers are mathematical tools used to measure temperature, and of course are still used widely present-day.
  • The first evidence of counting dates back more than 52,000 years and is attributed to the Neanderthal man.
  • Galileo one of the most famous mathematicians, was born in 1564.
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    Number Riddles
    Are you a math wizard who loves to solve number riddles? Let our exciting math riddles rack your brain with one of the most comprehensive collections you can find online.

    Located on this page are some very easy math questions in the form of riddle, and some very thought-provoking math riddles to complete as well. To solve them most advantageously you must read through the problem and try to think about them in as many different ways that you can force your mind to. This is where the mental exercise and brain development starts to kick in!

    Think you're ready to take on these challenging math puzzles? The newest problems are at the top, and the solutions to each problem are below the questions.

    Also, math buffs remember to check back here frequently for the new and engaging mathematical puzzles we add on a regular basis.

    19 And 20 Riddle

    Hint:
    21
    Did you answer this riddle correctly?
    YES  NO  

    Can You Find The Mistake?

    Hint: Read carefully.
    Mistake is spelled incorrectly.
    Did you answer this riddle correctly?
    YES  NO  

    My First Half Means Container

    Hint:
    Binary
    Did you answer this riddle correctly?
    YES  NO  

    David Is 6 Years Old Riddle

    Hint:
    David: 6
    Lauren: 3
    David is 3 years older than Lauren.
    So when David is 100 Lauren is 97.

    Answer: 97
    Did you answer this riddle correctly?
    YES  NO  

    1500 Plus 20 And 1600 Minus 40 Riddle

    Hint:
    When you are using military time!
    Did you answer this riddle correctly?
    YES  NO  

    Counting Time Riddle

    Hint:
    Four-ever!
    Did you answer this riddle correctly?
    YES  NO  

    Four Times To Infinity

    Hint:
    Four-ever
    Did you answer this riddle correctly?
    YES  NO  

    The Prime Number Riddle

    Hint: Remember that 1 is not a prime number.
    Those that remain behind must have written {1,4,6,8,9} and from this only {1,9} are odd. The probability of an odd number is thus 2/5.
    Expected number of odds is 2/5 * 90 = 36
    Did you answer this riddle correctly?
    YES  NO  

    100 Offices Riddle

    Hint:
    Did you say three? The correct answer is twenty (29, 39, and so on).
    Did you answer this riddle correctly?
    YES  NO  

    Dial 666

    Hint:
    The Police will come up-side down.
    Did you answer this riddle correctly?
    YES  NO  

    Post Your Number Riddles Below

    Can you come up with a cool, funny or clever Number Riddles of your own? Post it below (without the answer) to see if you can stump our users.
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