90% Fail to Answer This Correctly!
So now I will treat you to a math problem designed for school students. But it’s not that simple for those who graduated decades ago. It’s easy to forget the order of operations as we grow older.
The question now: Can you solve this equation?
Time to use that head of yours.
Yeah, it’s not that simple, but as I said, not even 50% get it right at first.
Now to the brainteaser – can you figure out the answer? Try to think back on the mathematical rules!
A
B
C
ANSWER:
Below, we’ll show you the answer.
You get this if you see that the ones at the end of each row have no sign between them and the next one.
Therefore, they are actually 22s.
The “2 x 0” on the last line becomes 0. Multiplication must always be solved before addition if there are no parentheses.
2+2+2+2+22+2+2+2+22+2×0+2=60.
The solution is 60.
Did you solve it correctly?
The Cognitive Benefits of Quizzes for the Human Brain
Quizzes are often associated with classrooms and game shows, but their benefits extend far beyond entertainment or academic assessment. They are powerful tools that can enhance brain function, improve memory, and promote lifelong learning. Recent research in cognitive psychology and neuroscience highlights the positive effects of quizzing on brain health and intellectual development.
One of the most significant benefits of quizzes is the testing effect. This phenomenon suggests that retrieving information from memory, as one does during a quiz, strengthens that memory more than simply re-studying the information. When individuals actively recall facts or concepts, neural connections associated with that knowledge become more robust. This improves long-term retention and makes it easier to retrieve the information in the future. In short, quizzing reinforces learning in a way that passive review does not.
Quizzes also encourage active learning. Unlike reading or listening, taking a quiz requires the learner to engage with the material, think critically, and apply knowledge. This active engagement helps the brain encode information more deeply. As a result, learners are more likely to understand and remember the content, rather than merely memorize it.
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