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                                A difficult problem

                                The math problem of 'dividing 17 horses equally among 3 people' has gone viral online.

                                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.

                                Controversy erupts over elementary school math problem in Singapore, parents 'break a sweat' trying to find the solution.

                                Controversy erupts over elementary school math problem in Singapore, parents 'break a sweat' trying to find the solution.

                                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 hardest puzzle in 2.000 years: Move the matchsticks to form 4 triangles.

                                The hardest puzzle in 2.000 years: Move the matchsticks to form 4 triangles.

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

                                Được tài trợ
                                A math problem for a 5th-grade student that would stump even adults.

                                A math problem for a 5th-grade student that would stump even adults.

                                08:54 22/02/2023

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

                                Can you solve this geometry problem designed for gifted 5th-grade students?

                                Can you solve this geometry problem designed for gifted 5th-grade students?

                                06:43 04/03/2022

                                This problem is used in China to identify gifted students.

                                Simple elementary math problems, yet many people get them wrong.

                                Simple elementary math problems, yet many people get them wrong.

                                06:21 27/09/2021

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

                                The problem of finding the distance between two points has attracted over 1 million views.

                                The problem of finding the distance between two points has attracted over 1 million views.

                                06:01 23/09/2021

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

                                Are the following optical illusion puzzles challenging for you?

                                Are the following optical illusion puzzles challenging for you?

                                06:05 24/08/2021

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

                                Solving this tricky puzzle is the only way to get the Wi-Fi password.

                                Solving this tricky puzzle is the only way to get the Wi-Fi password.

                                06:01 19/08/2021

                                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.

                                A challenge with a math exam from 200 years ago.

                                A challenge with a math exam from 200 years ago.

                                06:21 11/08/2021

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

                                Add or remove a decimal point to make the equation correct.

                                Add or remove a decimal point to make the equation correct.

                                06:19 10/08/2021

                                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.

                                This is a controversial calculation; what is your answer?

                                This is a controversial calculation; what is your answer?

                                06:05 09/08/2021

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

                                The YouTube video featuring the problem attracted 17 million views.

                                The YouTube video featuring the problem attracted 17 million views.

                                20:40 07/08/2021

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

                                Can you guess how many triangles are in this picture?

                                Can you guess how many triangles are in this picture?

                                06:21 06/08/2021

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

                                The math problem attracted 2 million comments on Facebook.

                                The math problem attracted 2 million comments on Facebook.

                                06:05 04/08/2021

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

                                Only people with an IQ above 150 can solve this problem.

                                Only people with an IQ above 150 can solve this problem.

                                06:17 31/07/2021

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

                                Which is bigger, the square or the circle?

                                Which is bigger, the square or the circle?

                                06:06 24/07/2021

                                Players need to identify the larger image and prove it.

                                A math problem for 7-year-olds sparks controversy.

                                A math problem for 7-year-olds sparks controversy.

                                06:15 02/07/2021

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

                                This math problem, intended for middle school students, is over 130 years old.

                                This math problem, intended for middle school students, is over 130 years old.

                                06:37 01/07/2021

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

                                The clock has no numbers, so how can you tell the time?

                                The clock has no numbers, so how can you tell the time?

                                06:17 25/06/2021

                                Determine the time displayed on the clock without numbers.

                                The number-filling problem is causing controversy.

                                The number-filling problem is causing controversy.

                                06:12 23/06/2021

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

                                Elementary math problems stump many people, how about you?

                                Elementary math problems stump many people, how about you?

                                06:18 16/06/2021

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

                                This is a problem only people with high IQs can solve.

                                This is a problem only people with high IQs can solve.

                                06:12 04/06/2021

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

                                This is a puzzle that 95% of people solve incorrectly. How about you?

                                This is a puzzle that 95% of people solve incorrectly. How about you?

                                06:12 01/06/2021

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

                                A math problem for elementary school students, but it stumps adults.

                                A math problem for elementary school students, but it stumps adults.

                                06:20 29/04/2021

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

                                Only intelligent people can solve this problem.

                                Only intelligent people can solve this problem.

                                06:23 28/04/2021

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

                                Without a calculator, could you solve this math problem from 1957?

                                Without a calculator, could you solve this math problem from 1957?

                                06:20 26/04/2021

                                Players are not allowed to use computers to solve this problem.

                                Controversy surrounding the calculation of the captain's age.

                                Controversy surrounding the calculation of the captain's age.

                                06:10 24/04/2021

                                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 time estimation problem is difficult for solvers.

                                The time estimation problem is difficult for solvers.

                                06:34 26/03/2021

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

                                A first-grade math problem that leaves adults stumped.

                                A first-grade math problem that leaves adults stumped.

                                06:15 25/03/2021

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

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                                News
                                Nghe An province will pilot a KPI-based system for evaluating officials starting July 1st.
                                Nghe An province will pilot a KPI-based system for evaluating officials starting July 1st.
                                Pepper prices today, February 24th: Slightly increased by 500 VND/kg
                                Pepper prices today, February 24th: Slightly increased by 500 VND/kg
                                A fire at a laundry facility nearly destroyed the world's most expensive warship.
                                A fire at a laundry facility nearly destroyed the world's most expensive warship.
                                From Ben Thanh - Can Gio to Hanoi Metro: VinSpeed's journey to conquer multi-billion dollar railway projects.
                                From Ben Thanh - Can Gio to Hanoi Metro: VinSpeed's journey to conquer multi-billion dollar railway projects.
                                With bladder cancer invading the body, the patient escaped death thanks to an unconventional strategy.
                                With bladder cancer invading the body, the patient escaped death thanks to an unconventional strategy.
                                Hanoi class achieves a remarkable feat: Four top-scoring students simultaneously, nearly 93% pass the entrance exam to specialized high schools.
                                Hanoi class achieves a remarkable feat: Four top-scoring students simultaneously, nearly 93% pass the entrance exam to specialized high schools.
                                A 2-hour flight delay ruined everything; a 4-hour delay before a refund is too long.
                                A 2-hour flight delay ruined everything; a 4-hour delay before a refund is too long.
                                Northern and central Vietnam are experiencing the most intense heat of the season so far, with temperatures exceeding 40°C in many areas.
                                Northern and central Vietnam are experiencing the most intense heat of the season so far, with temperatures exceeding 40°C in many areas.
                                Will the price of gold rise or fall in the near future?
                                Will the price of gold rise or fall in the near future?
                                A patient donated a bladder stone as large as a goose egg to the hospital as a 'warning sign'.
                                A patient donated a bladder stone as large as a goose egg to the hospital as a 'warning sign'.
                                View more

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