This puzzle will help you improve your memory, concentration and problem-solving skills, develop critical and creative thinking, and reduce stress levels.
Can you decode the results in 30 seconds?
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Answer:
Looking at the image, we see that the number at the beginning of each line is the sum of the two numbers at opposite corners.
Specifically:
16 is the sum of 12 and 4
7 is the sum of 5 and 2.
5 is the sum of 5 and 0.
So ? = 10+0=10
The number to fill in is 10.
