Crack the Logic: What Replaces the Question Mark?

This is a very interesting and brain-twisting mathematical reasoning question.  In this brain teaser, you are shown some logical reasoning equations. Your challenge is to crack the logical reasoning hidden in these number equations. Once you can find the hidden logic in these equations, then find the value of the missing number, which will replace the question mark. Let's see if you can crack this logical code?

Can You Find the Missing Number in This Puzzle?

The answer to this "Mathematical Reasoning Question Brain Teaser" can be viewed by clicking on the answer button.

The Answer is 54.
The logical reasoning hidden in these equations is as below
If A+B = C is given equation then C can be calculated as mentioned below
C = 9 * |A-B|
It means the C is 9 times the absolute difference between A and B.

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Last updated on: August 7, 2025