IQ test: will you be able to find the unknown number replacing the question mark in under 60 seconds?


Far from easy to solve, this one involves replacing the question mark with the right number.

This IQ test and logic test will push your thinking skills to the limit and give your often sluggish brain a workout.

It will sharpen your mind and prove your problem-solving skills. If you’re ready to prove yourself, check out the mystery number image below.

Solve the mystery number riddle: can you find the unknown in under 60 seconds?

In this challenge The principle is simple. You have to find the exact number that replaces the question mark in the image shown. On this picture, you have 3 grids of 4 numbers.

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On one of them, you have a question mark in place of a number. Your mission is to decipher this unknown number in less than 60 seconds.

© FiveStarMagazine

However, there’s no need to look far and wide. The solution from this puzzle can be found among the other numbers in the 3 grids.

All you have to do is pick them apart and find out what they have in common. To do this, you need to use your logic and intelligence.

If you think you’ve got what it takes, we invite you to start the countdown and observe the image of this IQ test.

Puzzle solving: a game, but also a mental exercise

More than just an entertaining game, this type of puzzle has a way of stimulating your mental and problem-solving skills. It also helps you sharpen your concentration and mental agility.

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As you try to solve these puzzles, several areas of your brain are working at the same time.

And under the pressure of a stopwatch, you have no choice but to mobilize all your mental resources to succeed. Ultimately, these tests encourage you to think creatively and analytically.

Test solution: what’s that mystery number?

During your 60 seconds of reflection, were you able to find the unknown number? Were you able to identify the recurring pattern linking the 3 grids? In reality, the number to find was 13.

Here’s how to find the solution:

7+7 = 14 /2 = 7 and the sum of 3 and 4 = 7 , so we do the same for the other grids

9+7= 16/2= 7 and the sum of 4 and 4 = 8

so for the last grid it will be: 13+9=22/2 = 11 and the sum of 8 and 3 =11

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© FiveStarMagazine

To get it, you had to go step by step, observing the image in detail. It’s important to be persistent and keep your eyes open to understand the subtleties, as this kind of puzzle is often deceptive. In fact, that’s the whole point, since it’s designed to challenge your reasoning skills.

If you’ve managed to find the answer in the time allowed, well done! Otherwise, you’ve been lucky enough to enjoy both an intellectual stimulus and a moment of distraction. You’ll succeed next time!

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