Find out how smart you are (and increase your IQ) with our classical IQ test. This classical IQ test measures several factors of intelligence, namely logical reasoning, math skills, language ...
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This optical illusion puzzle challenges participants to identify which of four glasses holds the most water, factoring in the displacement caused by various objects within each glass. The task ...
US President Donald Trump has challenged his Secretary of State, Rex Tillerson, to an IQ test, in the latest sign of discord between the two. He made the remark in a magazine interview when asked ...