This “intelligence test” has been shared more than 3 million times on Facebook. On Twitter people claim solving it means you have an IQ of more than 150 (genius level).

The problem

If 6 + 4 = 210

9 + 2 = 711

8 + 5 = 313

5 + 2 = 37

7+6 = 113

9 + 8 =117

10 + 6=416

15 + 3 = 1218

 ? + ? = 123, What is the rule to combine numbers?

We explain the correct answer by using the order of operations. Watch this video to understand

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