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[Interesting] A collection of brain teaser quiz questions. Let's train your brain!
Have you ever thought, “My thinking ability has declined lately,” or “I’ve been making a lot of careless mistakes”? Maybe you’ve been more forgetful, too.
In times like that, how about trying some brain exercises or quizzes? We’ve gathered a wide variety of quiz questions and brain teasers, from easy ones to slightly more difficult ones.
Some are quick enough to do in a short spare moment.
With brain-training quizzes, the value lies in the act of thinking itself, even if you don’t get the right answer—so give them a try!
[Interesting] A collection of brain-teaser quiz questions. Let’s train your brain! (1–10)
A quiz where you fill in the blanks with the same hiragana character
When you want to train your creativity, how about trying a quiz where you fill the blanks with the same hiragana character? For example, you might see something like “〇しやき〇も,” and you put the same character in both blanks.
ところで、これは正解が「い」で、「いしやきいも」（ishiyaki-imo、stone-baked sweet potato）になります。
It can be fun to compete with friends to see who solves it faster.
And if you want to raise the difficulty a bit, quizzes where you fit in kanji are also recommended.
Since kanji often have multiple readings, these puzzles can be more complex.
Lettering Quiz
It’s a quiz where one part of a word is hidden and you have to fill in the same letter.
The words that come up are all simple.
It tests your vocabulary and your flash of insight.
The difficulty is somewhere between low and medium.
It’s easy to enjoy casually, so it’s recommended for breaks.
You could also try competing with your child—kids might surprisingly be better at it.
Type diagnosis with brain teasers
The more you use your brain, the more you can train it.
So let’s give it a solid workout with quizzes like these.
By determining your brain type, you can also figure out what kinds of questions you’re best at.
They’re great mental exercises, so try doing them before work or study to boost your concentration.
You might even awaken a variety of abilities.
Who am I? quiz
Brain training is great for improving memory and reasoning skills.
In particular, “Who am I?” quizzes are a fun way to get your thinking in high gear.
You infer the target object or person from various clues.
For example, a question might be posed like, “I like cold places and help you sweat.” The appeal lies in narrowing down the answer step by step while tackling tricky questions.
It’s fun to take turns making questions with family and friends, and answering quizzes on your own is also a good mental workout.
Why not use small pockets of time each day to keep your brain in top condition?
5% Correct Answer Rate Quiz
On many recent quiz shows, they often announce the correct-answer rate.
So we’ve gathered quizzes with a 5% correct-answer rate.
A notable feature is that many of them are irresistible for mystery novel lovers.
They’ll train your situational judgment and flash-of-insight skills.
If you’re confident in your insight or you love quizzes, be sure to give them a try!
trick question
Trick questions that were once a hot topic on quiz shows.
They don’t just test how much you know—they require flashes of insight, so flexible-minded kids are often better at them.
Some might make you think, “Isn’t that just sophistry?” but if you accept them, you might find they make sense.
Laughing at the oddball answers is part of the charm of these quizzes.
Matchstick Quiz
As a classic brain-training puzzle, matchstick quizzes are always fun.
The ones where you move a single stick to find the answer have stumped many people.
For the record, I’m not very good at them.
They range from easy to difficult, so if you train yourself, you might have something to brag about.
Shape Quiz
These types of figure problems often appear in job placement exams.
They’re quizzes that help develop not only logical thinking but also spatial awareness, and you’ll recognize them from IQ tests as well.
For the record, I’m terrible at these quizzes—every figure looks the same to me.
If you like shapes and drawings, you might be good at them.
If you’re especially proud of your brainpower, give them a try!
Arunashi quiz
In IQ test shows and the like, you often see “Aru-Nashi” quizzes (Yes/No puzzles).
Rather than asking whether something belongs, they’re really about figuring out the underlying rule.
Classic types include putting something inside a character or adding something before or after it, but there are many other varieties too—so have fun trying them out.
Some are extremely difficult!
Lateral thinking quizzes and logic quizzes
These are quizzes that train both lateral and logical thinking.
They aren’t solved by far-fetched methods; the problems are crafted so well that you’ll think “I see!” when you read the answers.
They’re considered relatively difficult even on quiz shows, so even a brainiac like you should be satisfied.
If you solved them right away, you might be a genius.