Is this even solvable for a human? (2026 IMO Problem 2)

How hard is the University of Tokyo (Humanities) entrance exam? (2025 Past Paper)

The Integral Problem That Tricked Everyone Into Thinking It Was Zero (2026 University of Tokyo)

Which Will Be Greater, the Area or the Distance? (2026 Korea University Admissions)

The Hardest Problem from the Military Academy Entrance Exam (2027 Academic Year Military Academy ...

Solve this 3-term 100th-degree polynomial in under 3 minutes lol (2003 Kyoto University)

Why does pi show up when we only added rational numbers? (2020 Keio Medical School)

Japan's Top Liberal Arts University, Only One Line on the Exam Paper!

The problem that every member of the Korean team got a perfect score on lol (2026 IMO Problem 1)

I heard this was submitted by a young man who didn't even go to college, and it was so beautiful ...

What is the Area of the Equilateral Triangle? (Legendary Japanese University Entrance Exam Problem)

Finding the Number of Digits with Pure Mental Math (2014 Hitotsubashi University Legend)

1+½+⅓+… = Infinity. But What If You Subtract 9? (2021 Tokyo Tech Legend)

Legends calling for legends, the real deal 7-angle formula! (Yokohama City University medical sch...

Kyoto University wiped out the rote-learners with just this one line!

"A square, a circle... and I'm supposed to solve it with just this?" (2024 Meiji University)

That's the only condition?? (Legendary entrance exam problem from a top Japanese university LOL)

The Hardest Problem in Japanese Entrance Exam History for 20 Years!

대부분 수험생들이 1번부터 집에 가고 싶다고 한 이유...

단 9글자, 교토대 수험생을 무너뜨린 문제

The Chilling Reason a Local Elementary School Math Problem Made Headlines on CNN

Just 11 characters, the entrance exam question that turned Japan's national news upside down

The National Math Team Member's Genius Ideas (1986 IMO Olympiad)

How are problems like this created??? (IMO Olympiad 1995)

How on earth do they come up with problems like this...? (1981 IMO Olympiad)

The Easiest Problem, Yet Impossible for Regular People LOL (IMO 2001 P4)

Were these three problems easy too? (National United May Math in preparation for the 27th)

그냥 미쳤네요! (2026 전국연합 5월 공통 22번)

대부분이 실수하는 문제...

이렇게 풀면 너무 간단한디용?

너무 아름다워서 숨이 멎었습니다 (2024 IMO shortlist)

건국대 논술 2번… 왜 여기서 막힐까? (진짜 이유)

건국대 1번, 여기서 점수 갈립니다

피지컬로 서강대 논술 뚫을 수 있나?ㅋㅋㅋ (8분 요약.ver)

자네 이것도 계산 가능한가? (2026 서강대 수리논술 2차 2-4)

3분 컷!🚀 서강대 논술 (2026 자연계열② 1-1)

너무 뻔하지만 무서운 표현 (2026학년도 한양대 오전 2-1번)

"이걸 사용할 만큼 강한가?" (2027학년도 4월 더프 킬러)

"Are you strong enough to understand this?" (April 2027 Duff Killer)

그저 바라만 봤습니다 (2026 한양대 의대논술 2-2)

어렵기로 소문 자자한 한양대 의대 논술

"You're saying you can solve this...? Did anyone guess correctly!?"

8분 컷!🚀 성균관대 논술 (2023 자연계열 오후① 2-1)

이건 너무 하잖아요...(2026학년도 3월 고3 수학 21번)

꽤 당황스러운 문제...(2026학년도 3월 전국연합 공통 14번)

수학 국대도 절반 이상 틀린 문제는 어떻게 푸는 걸까??? (IMO 1992 P1)

How difficult was it that only 14 out of 300 national team members got it right? (1990 IMO Questi...

The beginning of a legend, Problem 1 of the 1st IMO

야밤에 푸는 의대 논술(가천대)

"Can you not shudder at this solution?" (Olympiad problem)

How to get 100% of the time in class

Math problem to solve at night (finding area)

야밤에 푸는 수학문제

수학, 재밌습니다만!

야밤에 푸는 수학문제

야밤에 푸는 수학문제

니 쫄았제??? (2026학년도 연세대 수리논술 3번)

Is this the right way to solve it???

What are a and b? Hahahahahahaha

가장 간단하고, 강력하고, 효율적인... 그리고 아름다운 풀이