IQ Test: Can you find the logical sequence in under 15 seconds? Only prodigies can!

IQ tests offer a variety of questions and problems which cognitive skills, such as logic, reasoning and problem-solving. and problem-solving skills.

They offer an opportunity to develop our cerebral capacities by exposing us to stimulating challenges and encouraging us to push back our intellectual limits.

As well as providing intellectual entertainment, these tests also enable us to get to know ourselves better.

By analyzing our results and identifying our strengths and weaknesses, we can work on areas where we need improvement and reinforce our existing skills.

However, it is important to bear in mind that IQ is only a limited indicator of overall intelligence, and does not measure important aspects such as creativity, emotional intelligence or social skills.

Today’s IQ challenge: Find the logical sequence!

IQ Test: Can you find the logical sequence?

This IQ challenge is designed to test your logic skills. Visit 15 secondsTo find the solution, you need to find the number that replaces the question mark in the numerical sequence. To find the solution, you need to work out the logic of the calculations and then arrive at the right answer.

Explanation of the solution to this mathematical challenge

Here’s the answer to this math IQ challenge:

  • First calculation column: 3 + 2 = 5
  • Second calculation column: 9 + 6 = 15
  • Third calculation column: 18 + 12 = 30

The result of this mathematical challenge is 30. All you had to do was add up the first two numbers in the column to find the third.


This challenge, while not necessarily the most arduous, offers an opportunity to test your logical and mathematical skills. If you’ve succeeded, we encourage you to share it with your friends and family, to put them to the test too!

What’s more, we have a host of more complex and exciting IQ tests to keep you entertained, while putting your knowledge to the test. Are you up to the challenge? We’d love to see how you fare.

Feel free to explore the many IQ tests available, as they will offer you a more stimulating challenge, and allow you to deepen your skills in a variety of areas.

It’s the perfect opportunity to sharpen your mind and put your logic and mathematical knowledge to the test!

Categories Fun