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Test your IQ with this challenging brain teaser! Spot the odd number hidden in the '101' sequence series within 11 seconds.

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This 17-Question IQ Test Will Reveal How Smart You Actually Are...And 5 More Quizzes To Test Your Intelligence. This is a straightforward vocabulary test, so if you've ever taken the SATs, ...

A Yale University professor designed the shortest IQ test to gauge whether students use spatial reasoning skills to solve them. 20-40 percent of students answered all questions correctly.

The “World’s Shortest IQ Test” Has Only 3 Questions – But Can You Get Them Right? Find out if you can beat the scores of people at Harvard and Princeton. Holly Large. Holly Large.

This 17-Question IQ Test Will Reveal How Smart You Actually Are. Spencer Althouse. These questions are based on verbal, logical, and numerical reasoning. A few of them should be pretty easy, ...