An intriguing challenge: will you be able to resist?
Your mind is much more powerful than you think, but it can sometimes be tricked by cognitive shortcuts. Ready to put your brain to the test with a simple calculation? Don’t underestimate this challenge : it could reveal unsuspected facets of your mental abilities!
Why so many errors in this simple calculation?
Imagine a sequence of simple additions: 1000 + 40 + 1000 + 30 + 1000 + 20 + 1000 + 10 . The answer seems obvious, doesn’t it? Yet many people find an erroneous total of 5000 instead of 4100 . But why this confusion?
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