The riddle asks, “How many of us are there?” based on the statement:
“I have 4 brothers, and each brother has 4 brothers.”
Let’s break it down:
- You have 4 brothers, which means there are 5 brothers in total (including yourself).
- Each of your 4 brothers also has 4 brothers, which refers to the same 5 brothers (including you).
So, the total number of “us” is 5 brothers.
85% of people fail to solve this problem within 60 seconds!
The answer: Ultimately, this series of operations gets us the right thing answer on the equation: 12. This shows the need for a methodical approach in mathematical calculations.
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