(a) Who has more money in coins and by how much? Ivan had a number of 50-cent coins and 104 20-cent coins. Helen had a number of 50-cent coins, and 64 20-cent coins. Helen and Ivan had the same number of coins. Note: This two-part question could have been recalled from memory and rewritten by an adult, which could explain the grammatical errors. Supposedly, this question was meant to be solved in a matter of minutes, as it is only allocated 4 marks in total. In 2021, a Primary School Leaving Exam mathematics question left some 12-year-old students in tears. A Mass of Money: Helen and Ivan’s coins □ If you still have head space for one more, try this. In the diagram, the areas of yellow regions are 8, 10, 72 and 79.įind the area of the red triangle. It’s said that some of them were able to solve this question in less than one minute! The Question:ĪBCD is a parallelogram. This question came from China and was used to identify gifted fifth grade/year 5 students (10 to 11 years old). This problem has been around for a while but resurfaced on an elementary/primary school entrance exam in Hong Kong.Īpparently, six-year-olds were expected to know the answer in 20 seconds or less. In case you’re wondering, the boxes containing colon represents division. The expression should be read from left to right. According to VNEXPRESS, this puzzle is meant for third graders/year 3 students (8 year olds) in Vietnam! The Puzzle:Īll you have to do is use the digit 1 to 9 once to fill in the boxes to make the entire equation equal to 66. This question is not only tricky but might also take a while. The Question:Īlbert and Bernard just became friends with Cheryl, and they want to know when her birthday is.Ĭheryl gives them a list of 10 possible dates:Ĭheryl then tells Albert and Bernard separately the month and the day of her birthday respectively.Īlbert: I don’t know when Cheryl’s birthday is, but I know that Bernard doesn’t know too.īernard: At first I don’t know when Cheryl’s birthday is, but I know now.Īlbert: Then I also know when Cheryl’s birthday is. But this question from the 2015 Singapore and Asian Schools Math Olympiad contest for students 14 to 15 years old got the whole world stumped. Problems that test logical reasoning are common in Math(s) Olympiads. How many people were on the train to begin with? 2. The Question:ġ9 people get off the train at the first stop. It went viral and even some adults were having trouble figuring out the answer. In a since-deleted tweet, a mum from England tweeted this word problem in a test meant for kids aged 6 to 7 in 2016. It’s all-inclusive, free, and open to schools as well as students learning from home. World Maths Day, happening on 8 March 2023, is a global celebration of mathematics where millions of students aged 5 to 18 across the world compete in Live Mathletics challenges. World Maths Day – the world’s largest mathematics competition is back! If you’re up for an extra challenge, we’ve even got a bonus question at the end.īut before that… a quick announcement. Solutions are provided at the end of all the questions (but no peeking). Put on your thinking caps because we searched the internet for the top 5 trickiest mathematics questions from all around the world. But some questions are trickier than others. Math(s) can be a tricky subject for many students.
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