MATH RIDDLES

Fun Facts (Hints)

Different types of riddles have challenged people for centuries, here are a few facts about them that may give you some hints in solving these challenging questions:
  • Riddles in math are used by math teachers in many different cultures.
  • Many teachers promote the idea that giving students mathematical riddles helps to encourage their pupils to think more creatively and strategically.
  • These riddles are considered especially helpful in classrooms where students have emotional problems, as it pulls them away from their problems, and forces them to think creatively about what is before them.
  • Detectives are sometimes forced to solve riddles involving math when searching for psychopaths and serial killers.
  • Math riddles are used at home by many parents seeking to help their students become more engaged in their math schoolwork/homework.
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    The Gardners Riddle

    Hint:
    Gretchen said that there were 4 girls in the family, three of whom were blond.

    This would make the probability that she saw two blonds (3/4) * (2/3), which equals 1/2.

    Other numbers would work, but the next pair would lead to a rather large family.
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    1 + 1 = 3 Riddle

    Hint:
    When you're pregnant!
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    30 Sacks Of Coconuts

    Hint:
    He will have 25 coconuts with him at the end. The trick is to reduce the number of sacks as you pass checkpoints.

    The first 10 checkpoints require 3 coconuts each, which empties his first sack. The next 15 checkpoints require 2 coconuts each, which will empty his second stack. Now, he is left with 1 sack and 5 more checkpoints. So, the 5 checkpoints will take 1 coconut each. Therefore, he will be left with 25 coconuts.
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    100 Fruits

    Hint:
    80 Cherries, 01 Orange and 19 Watermelons.
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    5+5+5=550 Riddle

    Hint:
    Add a line to make the first + a 4 545+5=550
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    Equals Eight Riddle

    Hint:
    Mirror one of the threes and put it and the other three together to get an eight.
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    More Than 90 Degrees Riddle

    Hint:
    An obtuse angel
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    Find The Digits Riddle

    Hint:
    The required digit is 0.

    If you add up all the digits in any diagonal, you will find the sum to be 25.
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    Apricot Jam Riddle

    Hint:
    She counted the pits!
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    Bat And Ball Riddle

    Hint: The answer isn't 10 cents.
    Here's the solution:

    Although $1.00 + $0.10 does equal $1.10, if you take $1.00 $0.10 you get $0.90, but the problem requires that the bat costs $1 more than the ball.

    So, the ball must cost $0.05, and the bat must cost $1.05 since $1.05 + $0.05 = $1.10

    ---

    Still not convinced? You can use algebra to solve the problem:

    First, lets set up the equation:

    x + ($1.00 + x) = $1.10

    $1.00 + 2x = $1.10

    2x = $1.10 $1.00

    2x = $0.101

    Finally, solve for x:

    x = $0.05

    Check your work:

    x + ($1.00 + x) = $1.10, so

    $0.05 + ($1.00 + $0.05) = $1.10
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    King Arthur's Round Table Riddle

    Hint:
    Sir Cumference
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    Mathematical Warfare Riddle

    Hint:
    By putting his enemy in close brackets.
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    How Many Sand Piles

    Hint:
    1 sand pile
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    Dividing By Tan Riddle

    Hint:
    Just cos.
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    Owl Math Riddle

    Hint:
    An owlqulater.
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    Post Your Math Riddles Below

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