
The math problem of 'dividing 17 horses equally among 3 people' has gone viral online.
A math problem in a primary school enrichment book has gone viral on social media because it's too difficult.

A math problem in a primary school enrichment book has gone viral on social media because it's too difficult.

A math problem for elementary school students in Singapore has attracted attention because of its extremely difficult requirements, with many parents giving up when they couldn't find the answer.

The matchstick puzzle below may seem easy, but it stumps many people. Think carefully to find the answer.

A fifth-grade math problem that's causing a stir on social media is also baffling adults.

This problem is used in China to identify gifted students.

The problem uses simple addition, subtraction, and division, but many people cannot give the correct answer.

The player's task is to find the distance between point A and point B.

The player's task is to find the answer based on the image and given hints.

Students at Nanjing University of Aeronautics and Astronautics (China) had to solve a challenging problem to retrieve the Wi-Fi password in the school's cafeteria.

This is a problem from an exam at Cambridge University (England) in 1802.

Seventy-one dots form a mathematical equation, but the result is wrong. The player needs to add or remove a dot to make it correct.

The online community is debating the correct answer to this math problem, attracting over 2 million views on YouTube.

This math problem was shared on YouTube, attracting 17 million views and nearly 100.000 comments.

Players need to count the exact number of triangles in the image, regardless of size.

The problem was previously shared on Facebook, and over 2 million comments revolved around the answer to this riddle.

The person who posted this math problem on Twitter claimed that only people with an IQ above 150 could solve it.

Players need to identify the larger image and prove it.

Players are only allowed to solve this problem mentally; they are not permitted to use calculators or other electronic devices.

This is a distance calculation problem given to middle school students in Scotland in 1888.

Determine the time displayed on the clock without numbers.

Players need to find the pattern in the problem to fill in the appropriate number in the blank.

The fraction problem attracted nearly 600 comments after being posted for a day.

This problem was previously featured on Problematic Men, a South Korean television program that includes high-IQ celebrities.

The riddle, posted on social media, attracted a lot of attention.

A math problem for elementary school students, but it stumped many adults who couldn't figure out how to solve it.

This is a math problem for 15-year-old students in India, and only 6% of them solved it correctly.

Players are not allowed to use computers to solve this problem.
A math exam for fifth-grade students in China asked them to calculate the captain's age but provided unrelated data, confusing many students and parents.

The multiple-choice puzzle made it difficult for many people to find the correct answer.

A parent in Singapore posted a quiz from their child's workbook on social media, and over 50% of respondents answered incorrectly.