At first glance, this equation looks incredibly easy:
20 + 30 × 0 + 1
Yet thousands of people get it wrong because they rush instead of following the order of operations.
The trick is remembering that multiplication comes before addition and subtraction.
Let’s solve it step by step:
30 × 0 = 0
Now the equation becomes:
20 + 0 + 1
Finally:
20 + 0 = 20
20 + 1 = 21
✅ The correct answer is **21**.
These quick math puzzles are fun because they test attention more than advanced math skills. A single overlooked multiplication sign can completely change the result.
Whether you answered correctly or had to think twice, puzzles like this are a great way to keep your brain active while practicing the basic rules of mathematics.
Share it with your friends and see who gets it right on the first try!


