[Challenging and Fun!] Quizzes & Riddles for Adults

A puzzle kids can solve instantly! A challenging quiz for adults

Five quizzes that kids can solve instantly but adults find difficult.

If we compare adults and children, adults undoubtedly have the upper hand in physical strength.

But what about brainpower? The very assumption that “there can’t be problems children can solve that adults can’t” might itself be a sign of a rigid mind.

Here’s a quiz that pits you head-on against the uniquely flexible thinking of children.

For example, if 80 is 3 and 69 is 2, what do you think 41 would be? A child might instantly answer 0.

The correct answer is the number of circles in the digits.

There are plenty of other fun quizzes too—adults might really struggle!

An elementary school homework quiz that’s way too hard

Elementary school homework that’s way too hard: Even University of Tokyo students give it their all but still struggle

Back when a university degree carried much more weight, just saying you were a college graduate would make everyone go “Wow!” Of course, in those days, going to university often came with certain social and financial advantages.

Even so, when did the image of university students as “carefree?” start to take hold? How about trying some “elementary school homework” that even college students struggle with? Questions like “What’s another name for a snake?” or “What’s a plant that resembles horsetail?”—there are plenty that leave even adults scratching their heads.

How many of these problems—impressive enough to make you think elementary school kids are amazing—can you solve?

Hard-to-read Japanese city names quiz

[Hard-to-Read City Names Quiz] 30 Questions! Introducing Interesting Place Names Across Japan (From Hokkaido to Okinawa) [Geography Quiz]

A common feature on quiz shows is the section on difficult kanji.

It almost always gets the crowd excited.

However, it’s a bit different from ordinary difficult kanji—in fact, even people with Level 1 Kanji Kentei certification apparently find it hard to read the tricky kanji used in people’s surnames and place names.

By the way, there are place names in my hometown like “Heki” and “Asago,” but since I’ve been familiar with them since childhood, I grew up without realizing they’re considered hard to read.

Their pronunciations are, respectively, “Hiki” and “Asso.” I’d love people who are good with kanji to give this quiz a try.

Maybe travel enthusiasts have a slight advantage.

A puzzle only the narrow-minded can’t solve!? An ultra-difficult riddle

Unscrambleable for the narrow-minded!? 15 super-difficult riddles

There’s a gag by Taizo Harada of the comedy trio Neptune where he introduces himself with, “I hate crooked things; I’m Taizo Harada,” and gets a laugh.

In fact, Harada really does come off as a straight-arrow type, doesn’t he? Are you someone people call serious? There’s a kind of riddle that people like you find especially hard to solve.

They’re the kind often called trick questions or mean quizzes, but the feeling of refreshment when you learn the correct answer is better than you’d expect! It might be fun to make a fast-answer buzzer and compete with a few people to see who gets the most right.

Quizzes really are a wonderful thing!

A quiz where you guess the country from its capital

[Hard] Quiz: Guess the Country from Its Capital [Puzzle]

Large toy stores have sections dedicated to educational toys.

In the past, they were just a tiny, token presence, but lately they’ve come to occupy a sizable amount of floor space.

I guess that shows how enthusiastic people have become about education.

World maps you can stick up in the bath are now a classic staple.

So, to uphold our adult pride, let’s try a “guess the country from its capital” quiz.

In other words, if you hear Paris, you answer France.

If you have kids, it could be fun to challenge them to a match.

[Logic Quiz] Extremely Difficult! A Room with 23 Men and Chairs

[Logic Puzzle] Extremely Difficult! A Room with 23 Men and Chairs [Yukkuri Explanation]

This is a puzzle about devising a strategy that allows all 23 men to escape, based on their actions when they are led into a room with a chair.

In the chair room, each person can choose either to rotate the chair by 90 degrees or to break the chair; if someone chooses to break the chair, everyone who has entered up to that point is allowed to escape.

The key is that they can confer beforehand, so the challenge is how to use the chair’s orientation to communicate that everyone has entered.

Let’s combine various patterns and possibilities—such as counting via orientation and cases where escape is not yet possible—to derive an appropriate method.

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Guess the song from just the outro quiz

[Super Hard] Guess the Song from Only the Outro Quiz [MELOGAPPA]

It’s an outro quiz that flips the concept of an intro quiz—where you guess the song title from the opening notes—and instead has you listen to the ending to figure out the title.

It tests how you engage with each track by seeing whether you listen all the way to the end.

On music shows, it’s standard to perform from the intro through the first chorus, and sometimes the ending is shortened or rearranged.

Knowing how a song wraps up could change the way you relate to it, making this a thought-provoking challenge.

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