Do you consider yourself smart? This clever math puzzle will show if it is really so

Puzzles have always been a great way to challenge your intellect and test your logical thinking. But some of them go beyond the usual simple tasks for fun.

A new math puzzle that challenges even the smartest people has appeared online. Try to solve it as quickly as possible to test your intelligence.

Find the missing number in 15 seconds.

You can see 4 circles in the image. Each of them is divided into four parts, each of which contains a number except one. Try to figure out which number is missing as quickly as possible using your logical thinking skills.

This task is a great test of your analytical skills and speed of thinking. In addition, the time limit makes you anxious and nervous, which improves your problem-solving skills.

If you are able to complete a task in such a short period of time, you have exceptional intellectual abilities. You are also likely to have sharp concentration and a high level of cognitive function.

If you are still struggling, don't give up right away because the key to success is perseverance. Don't be afraid to experiment with different combinations and write down your calculations on paper to avoid getting confused.

Now let's take a look at the correct answer.

If you've been paying attention, you should have noticed that if you add all the numbers in the circle, they will equal 20.

• 3 + 6 + 4 + 7 = 20;
• 3 + 2 + 9 + 6 = 20;
• 5 + 1 + 6 + 8 = 20;
• 2 + 9 + 8 + 1 = 20.

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