Mathematical brain teasers are a great way to test your problem-solving skills. The latest viral challenge involves solving the equation:
11 – 11 × 11 + 11 = ?
At first glance, many people get the wrong answer. Can you solve it correctly in under 20 seconds?
Understanding the Order of Operations
To solve this equation, you need to apply the BODMAS or PEMDAS rule:
- Brackets
- Orders (exponents and roots)
- Division and Multiplication (left to right)
- Addition and Subtraction (left to right)
This order ensures that mathematical expressions are solved correctly. Let’s break it down step by step.
- Identify the operations: The equation consists of subtraction, multiplication, and addition.
- Apply multiplication first (BODMAS rule):
Step-by-Step Solution
11 – 11 × 11 + 11
11 – (11 × 11) + 11
11 – 121 + 11
Solve from left to right:
(11 – 121) + 11
-110 + 11 = -99
Final Answer: -99
So, the correct answer is -99.
Why Do People Get It Wrong?
Many people mistakenly solve the problem as: which leads to an incorrect answer. This happens because they ignore the order of operations and solve from left to right incorrectly.
Improve Your Math Skills
Want to sharpen your math skills? Here are some tips:
- Always follow the order of operations.
- Practice mental math daily.
- Challenge yourself with tricky math puzzles.
Final Thoughts
Math challenges like this help boost brain function and improve logical thinking. Did you get the right answer? Share this puzzle with friends and test their skills!
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