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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    Riddles and Answers © 2020
    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.

    Circle With 5 In The Middle Riddle

    Hint:
    25
    Did you answer this riddle correctly?
    YES  NO  

    How Many 7s Are Between 0 100 Riddle

    Hint:
    The answer is 20

    7, 17, 27, 37, 47, 57 ,67, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 87, 97
    Did you answer this riddle correctly?
    YES  NO  

    If A Door Number Fitter Riddle

    Hint:
    The answer is 20. Many people have been guessing anywhere from 9 to 19, but the correct answer is 20.
    Did you answer this riddle correctly?
    YES  NO  

    How Many 9 In 100 Riddle

    Hint:
    There are total 20 nine's between 1 and 100. 9, 19, 29, 39, 49, 59, 69, 79, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99. you can count total 9 in these series.
    Did you answer this riddle correctly?
    YES  NO  

    Eye Test How Many 3s Riddle

    Hint:
    The answers for 'eye test how many 3s' puzzle ranges from 15 to 21. At first glance, most people only notice 15 threes in the image. First, you might notice that there are two threes on the number pad, as the number eight has also been replaced by a three. Then there are eight threes in the phone number. Many also notice that the battery charge is at 33% and the time is 3:33 PM.

    However, if one looks closer at the name underneath the phone number, they will find three more 3s. This gives a total of 18 3s in the image. But there is one more hidden three that even observant people fail to notice. Underneath the number four on the keypad, the letter 'I' has been replaced with three as well. So, the total number of 3s in the image is 19.

    However, depending on your interpretation of the puzzle, the number of 3s can also rise to 21. At the top left of the image, the bar signal and wifi signal also have three bars. Some people also consider the two signals to be a part of the riddle and raise the number of 3s to 21. So, the correct answer can be 19 or 21, depending on your interpretation of the question.
    Did you answer this riddle correctly?
    YES  NO  

    If You Have 3 You Have 3 Riddle

    Hint:
    The answer is Choices. If you have 3 choices, you have 3 choices. If you have 2 choices you have 2 choices. If you have only 1 choice, you don't have a choice.
    Did you answer this riddle correctly?
    YES  NO  

    Blank One Two Three Riddle

    Hint:
    (Check) 1, 2, 3.
    Did you answer this riddle correctly?
    YES  NO  

    Two Zero And Two Four Riddle

    Hint:
    B) 2024

    When you pronounce a number say, 3006, it is pronounced as three thousand six. But, it is not pronounced as three two zero and six. Because, it will result in 3206. It might be grammatically but mathematically wrong or vice versa.

    The pronunciation does not say how many but what the number is at the particular position.

    Hence, 2024 has two zero and two four.
    Did you answer this riddle correctly?
    YES  NO  

    20 Plus 20 Plus 20 Riddle

    Hint:
    Use the number 5 three times, 55 + 5 = 60
    Did you answer this riddle correctly?
    YES  NO  

    Turn Me On My Side And I Am Everything Riddle

    Hint:
    The number 8. On its side, the number 8 looks like an infinity symbol. Cut in half, the number 8 becomes two zeros.
    Did you answer this riddle correctly?
    YES  NO  

    16 06 68 Riddle

    Hint:
    Answer: 87

    Explanation:

    If you look at the upside down you will see that the series is actually

    86, 87, 88, 89, 90, 91

    So the answer is 87.
    Did you answer this riddle correctly?
    YES  NO  

    You Start With 1000 Riddle

    Hint:
    If you said 5000 you're wrong! The answer is 4100, how?

    1000 + 40 = 1040
    1040 + 1000 + 30 = 2070
    2070 + 1000 + 20 = 3090
    3090 + 1000 = 4090
    4090 + 10 = 4100
    Did you answer this riddle correctly?
    YES  NO  

    A Dash At 20 And A Dot At 60

    Hint: It's not a clock.
    During Morse code
    Did you answer this riddle correctly?
    YES  NO  

    Find Those Missing Numbers Riddle

    Hint:
    The number missing on the left is 8 and the one on right is 7.

    Explanation:
    The pattern:
    The number in the center of triangle is the square root of the sum of the numbers sitting outside on the corners.

    Thus,
    10 + 22 + 4 = 36
    Square Root of 36 = 6

    In the same manner:

    10 + 42 + 12 = 64
    Square Root of 64 = 8

    12 + 22 + 15 = 49
    Square Root of 49 = 7
    Did you answer this riddle correctly?
    YES  NO  

    The Correct Number Riddle

    Hint:
    121

    Explanation
    Tables consist of squares of the number from 4 to 12.
    11^2 = 121.
    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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