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Brain teaser: What is the unlock password?
Based on the four pieces of information (the numbers on the left), find the correct unlock password.
5 loại thực phẩm có hại cho não nhưng nhiều người vẫn hồn nhiên ăn
Dưới đây là 5 loại thực phẩm cần tránh hoặc cắt giảm để tăng cường sức khoẻ não bộ.
Guess which boy is lying?
With the details below, can you figure out who is lying?
The 'brain-racking' hat-selling math problem for elementary school students.
Elementary school students can easily solve this problem, but many adults are struggling to calculate the amount of money the hat seller lost.
Ai là kẻ trộm đồ chơi
Người tinh ý không cần đến một phút để nhận ra ai là kẻ trộm trong bức ảnh này, còn bạn?
Can you move only one matchstick to get the correct answer?
This seems like a daunting task for many: Move just one matchstick to make the equation correct.
Only people with high IQs can solve this puzzle: Which cup should be moved correctly?
This glass-moving puzzle requires observation and situational analysis, but it won't be difficult for those with high IQs.
Con cóc là cậu ông trời, vậy vợ cóc là gì của ông trời?
Nhiều người cảm thấy kỳ lạ và hoang mang không trả lời được câu hỏi này, còn bạn?
Câu đố cực dễ nhưng không phải ai cũng giải được nhanh
Đây là phép toán chỉ có cộng trừ, tưởng chừng rất đơn giản nhưng không phải ai cũng giải đúng và nhanh.
IQ test riddle: How many birds are on the tree?
This puzzle is a challenge to test your intelligence; guess the number of birds on the two trees based on the given information.
Test your intelligence with IQ quizzes.
With this puzzle, you have to find the pattern between the numbers to get the answer. Does that challenge you?
A skilled person with good reasoning skills would immediately know which province or city this is.
It takes real insight to give the most accurate answer.
Which container do you think holds more water?
With a little observation, you'll notice the difference between these two vases.
A riddle that even high IQs can solve in just 10 seconds.
The riddle is both easy and difficult, difficult and easy. Can you figure out the answer?
The problem seems simple, but many people still get it wrong. How about you?
Test your math skills with geometric calculations; they might seem like something only for children, but they can actually give adults a headache.
What word is depicted in the image below?
Did you get the answer the moment you saw the image?
10-second challenge: Find the mistake in the image.
By observing carefully, can you spot the inconsistency in the image below?
Picture riddle: Which province in Vietnam is this?
Many people were able to guess the answer immediately from the picture hint, how about you?
The problem of calculating weight is a challenge for many people.
With the image and the problem below, can you calculate how much the cat weighs?
Brain-teasing riddle: How many days does it take to build a house?
Ten girls can paint 60 houses in 120 days. So, how many days would it take five girls to paint 30 houses?
A mind-bending puzzle about family relationships.
"What do we call the father-in-law of the brother-in-law of the sister-in-law's husband?" This seemingly simple question has stumped many people.
The riddle isn't difficult, but most people still answer it incorrectly. What about you?
Many people give up on this seemingly simple puzzle.
How many animals are in this picture?
Looking at the picture below, how many animals can you spot?
What province in Vietnam is this called?
Based on the information in the image, can you guess which province in Vietnam this is?
Brain teaser: What is the boy's actual height?
If you arrange the bricks horizontally and vertically, you get the height shown in the image. How tall is the boy in centimeters?
This math puzzle is giving many people a headache.
Although the question is simple, it still causes many people headaches because it's difficult to find the correct answer on the first try.
Riddle: What province or city in Vietnam is this called?
This riddle isn't difficult at all; intelligent people only need 5 seconds to think of it. How about you?
Test your keen eyesight: How many cats are in the mirror?
Looking at the picture below, how many cats can you spot in the mirror?
Brain-teasing riddle: How many straight lines are there?
Looking at the image below, how many straight lines can you see?
Brain-teasing riddle: Who will die first?
If you can solve this brain-teasing puzzle in 10 seconds, you're a genius.
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