[Genius if you can solve it?] Insight and intuition: a challenging IQ quiz
That instant when an idea pops into your head feels so good, doesn’t it? Why not try some IQ quizzes that train your intuition and creativity and enjoy that refreshing rush? Discovering the “Aha!” moment when you see the answer is part of the fun, too.
From wordplay and number tricks to puzzles that use the characteristics of kanji, a small shift in perspective can reveal the solution.
Take a short break in your day and enjoy IQ quizzes as a way to refresh your brain.
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- A collection of challenging quizzes for adults [Difficult]
- Also great for brain training! A flash of intuition is the key to solving these insight quizzes.
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- Hard to get right on the first try! A quiz you’re guaranteed to get tripped up by.
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- Do you get tripped up too? A fun roundup of 10-time quiz questions
Flash-inspired IQ quizzes that test your intuition and creativity (1–10)
First friend first Buddha ◯ Red — Which kanji goes in the ◯?
See the answer
big
Rokuyō, which often appears on calendars. It listed the first characters of the six Rokuyō: Senshō, Tomobiki, Senbu, Butsumetsu, Taian, and Shakkō. The correct answer is the “大” (Dai) from Taian.
Add one stroke to “5000” to make it half.
See the answer
50%
If you draw a diagonal slash through the zeros in the ones and tens places of “5000,” it becomes “50%.” It’s an answer you’re unlikely to reach if you approach “5000” as a figure or try to express it as a mathematical formula.
If evil equals live and up equals pot, then what is equal to a dog?
See the answer
God
In the English vocabulary exercise, pairs are chosen so that reversing the spelling still forms a valid word, like “evil = live” for ‘悪=ライブ’ and “top = pot” for ‘上=ポット’. Therefore, “dog” becomes “god,” that is, God.
Intuition and Creativity-Challenging Insight IQ Quizzes (11–20)
Tor◯ku, Moro◯ko, Buri◯ko, Doro◯△ — The same letter goes into ◯. What letter goes into △?
See the answer
pu
A small “tsu” (っ) goes in all the circles. Trick, Morocco, burikko—so the answer is “pu,” drop. Once you understand the rule it’s clear, but when it’s written in hiragana it can be misleading and make you overthink it, right?
What kanji can you make by adding one stroke to the character for “sound” (音)?
See the answer
dragon
Many people may have tried adding a vertical or horizontal line or a dot, thinking it meant “add one stroke.” But in reality, it was a single stroke like a reversed hiragana ‘shi.’ It required the creativity to consider that curves were also an option.
G is 0, C is 2—then what about P?
See the answer
5
G, C, and P each stand for rock, scissors, and paper, respectively. Accordingly, the number of fingers shown in each shape corresponds to the numbers. It’s a simple quiz that tests your intuition.
Among the numbers “346,” “256,” “292,” and “469,” which one is the only one that does not follow the rule?
See the answer
469
The other numbers add up to 13 when you sum their digits, but 469 adds up to 19. Finding the common feature is one of the tricks to solving lateral-thinking quizzes.



