The problem is given 6 billiard balls with numerical values as shown in the picture. Your task is to choose three balls so that the sum of the numbers written on the balls equals 30.
This is a puzzle that requires observation and calculation. If you can solve it in a short time, you are definitely a smart person.
At first glance, many people think this is an easy puzzle. However, when they start to find the answer, many people struggle.
Comment how many balls you found and see how many people think the same as you.
Source: https://vtcnews.vn/cau-do-tim-bong-bi-a-tuong-de-ma-kho-khong-tuong-ar901858.html
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