Brain teaser can only be solved by people with an IQ of 135 and over
Briefly

This new mathematical brainteaser claims that only people with high IQs can solve it in nine seconds or less, challenging viewers to identify a missing number.
To solve the brain teaser, viewers must determine the mathematical difference between each number, where the difference doubles at each step.
An alternate method to solve involves multiplying the number by two and subtracting one to find the next number in the sequence.
Scoring less than 135 does not reflect one's intelligence since average IQ scores in the US are around 98, with many gifted individuals scoring between 120 to 140.
Read at Mail Online
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