Today’s challenge is a thrilling number sequence puzzle. Your task, should you choose to accept it, is to **find the missing number** in this logical sequence: 6, 18, 15, 45, 42, ?.

You have a maximum of **15 seconds** to solve it. The sequence is displayed in the picture below. Do you think you can crack it?

Brain teasers like this one are an excellent way to keep your mind sharp and active. They require you to engage in critical thinking and problem-solving, skills that are useful in various areas of life.

Not only do these puzzles challenge your intellectual prowess but also provide a fun and exciting way to pass time. So go ahead and give our **Puzzle of the Day** a try!

Remember, every challenge is an opportunity to learn something new.

## Deciphering the missing number in a logical sequence

**The challenge at hand** is to identify the missing number in a given logical sequence. Notably, the sequence is as follows: **6, 18, 15, 45, 42, ?**.

This task must be accomplished within **15 seconds**, which adds an element of pressure and urgency. The difficulty of this challenge lies not only in recognizing the pattern but also in doing so within a very brief timeframe.

This type of task requires strong analytical thinking and mental agility. You have to examine the sequence and determine whether it’s progressing by addition, subtraction, multiplication or division.

You then apply that rule to find out what the missing number is.

When trying to find a pattern of a logical sequence, there are a few tips that can help.

Firstly, look for **commonalities** between elements in the sequence. These could be numbers, shapes, or any other form of data.

Secondly, try to **determine the relationship** between these elements. They may be increasing, decreasing, alternating or repeating in a specific manner.

Lastly, always remember to observe the **gap or difference** between consecutive elements in the sequence. This can often shed light on the rule or pattern being followed.

**Hey there, super sleuth!** Have you **cracked the code** and found the solution? Don’t you just love that feeling of **triumph** when all the pieces fall into place? W

ell, hold on to your hats, because we’re about to check your results in the next paragraph! **Ready to see if you’ve hit the jackpot?** Let’s dive right in!

## Solution

We are truly astonished by those who can solve this puzzle in under **15 seconds**. It’s not an easy task, and we commend your quick thinking and mental agility. The solution is the number **126**, with alternating operations of multiplication by 3 and subtraction of 3.

In this case, you alternate between multiplying by three (6 becomes 18, 15 becomes 45) and subtracting three (18 becomes 15, 45 becomes 42). So following this pattern, the next operation after 42 should be multiplication by three.

Congratulations to all those who solved this in record time!

We invite those of you who have already tackled our test to **challenge your friends and family** by sharing this article. We pour countless hours into creating these entertaining games that we bring to you daily.

It would fill us with joy if this article found its way onto your **social media feeds**. Sharing not only spreads the fun, but also supports our work and helps us keep these games coming. So, go ahead, click that share button, and let the games begin!