15 Viral Riddles and Brain Teasers That Will Leave You Stumped for Days (2024)

RD.COM Humor Riddles

ByKelly Kuehn

Updated: Jul. 15, 2021

    How many of these popular riddles can you solve? Take a stab at these brain busters (including some tricky viral Facebook riddles you've seen in your feed).

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    15 Viral Riddles and Brain Teasers That Will Leave You Stumped for Days (1)
    rd.com, Getty Images (3)

    Get those brain gears turning with these tricky viral riddles

    Sometimes, our brain needs a good workout. Between work, family, and just life in general, we seldom get time to sit down and flex our brain muscles. It’s important to test our critical thinking and logic skills, though. Sure, you could find some brain-busting emoji riddles to solve, but another great way to test your skills is by solving popular riddles.

    You know those riddles; the ones that seem so obvious, but are actually tough once you really think about them. You’ve seen these riddles while scrolling through Facebook—and maybe even peeked in the comments to see who solved them correctly. Perhaps you wanted to solve these Facebook riddles later, but couldn’t find them once you refreshed your feed. Gah! Are they lost in the riddle world forever?

    Nope! In fact, we have them right here. Here are some viral riddles that’ll get your gears turning (they’re also great riddles for teens to solve). Good luck!

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    rd.com, Getty Images

    1. Mr. Smith had four daughters

    If you use Facebook, there’s a good chance you’ve seen this popular riddle pop up on your feed. Test your smarts and see if you can solve it (it’s a bit tricky!)

    See Riddle

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    rd.com, Getty Images

    2. Someone’s mother has four sons

    Another popular riddle including family! How long will it take you to solve this one?

    See Riddle

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    3. How many ducks do you see?

    So many ducks, so little time. How many ducks do you see in this image? It’s not as obvious as you think…

    See Riddle

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    rd.com, Getty Images

    4. How many letters are in the alphabet?

    Fair warning: the alphabet song won’t help you with this viral riddle.

    See Riddle

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    rd.com, Getty Images

    5. If Theresa’s daughter is my daughter’s mother

    Time to figure out what exactly you are to Theresa with this viral riddle. Get ready to test those logic skills! Then, check out these riddles for teens for some real brain twisters.

    See Riddle

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    15 Viral Riddles and Brain Teasers That Will Leave You Stumped for Days (7)

    rd.com

    6. How many triangles

    You may think this is obvious…but is it really? Look it over and see how many triangles are actually in this puzzle.

    See Puzzle

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    rd.com

    7. How many squares do you see?

    Alright, think you got the triangle one right? Keep the winning streak going by identifying how many squares are in this puzzle.

    See Puzzle

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    via PDChina/twitter.com

    8. This viral Facebook math puzzle

    Calling all math whizzes—we’ll be so impressed if you can solve this Facebook riddle. Good luck! After you solve this one, see how many of these emoji riddles you can solve.

    See Riddle

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    15 Viral Riddles and Brain Teasers That Will Leave You Stumped for Days (10)

    via study force/YouTube.com

    9. Which cup will fill first?

    This is a popular Facebook riddle that’s been shared countless times. Which cup will fill up first? Take a close look at the cups and see for yourself.

    See Riddle

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    rd.com, Getty Images

    10. London Bridge riddle

    This viral riddle challenges you to identify the name of a man on the London Bridge. Can you figure it out using only a few clues?

    See Riddle

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    rd.com, Getty Images

    11. Five people in a room riddle

    You’ve likely seen this one since it’s a popular riddle, but can you answer it correctly? Test your logic skills and find out.

    See Riddle

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    rd.com, Getty Images

    12. River riddle

    This is a popular riddle that’s tricked many people—see if you can solve it on your first try!

    See Riddle

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    rd.com, Getty Images

    13. Four men fishing on a boat riddle

    This is one of those viral Facebook riddles that’ll leave you scratching your head—how the heck do you answer it?! Make sure you don’t peek in the comments before you solve it on your own.

    See Riddle

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    rd.com, Getty Images

    14. Walk on the living riddle

    Hmm, this took us a bit to solve—what do you think the answer is?

    See Riddle

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    rd.com, Getty Images

    15. The length of one shoelace riddle

    Math and shoe enthusiasts will love this popular riddle. How quickly can you solve it?

    See Riddle

    Alright, how did you do? If you need more brain challenges, see how many of these brain teasers you can solve.

    Originally Published: July 15, 2021

    Author

    Kelly Kuehn

    Kelly Kuehn is a former editor for Reader’s Digest who covered entertainment, trivia and history. When she’s not working you can find her watching the latest and greatest movies, listening to a true-crime podcast (or two), blasting ‘90s music and hiking with her dog, Ryker, throughout the Finger Lakes.

    Read More

    15 Viral Riddles and Brain Teasers That Will Leave You Stumped for Days (2024)

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