Only 1% can spot the hidden letter 'K' in this R-repeating series brain teaser. Test your IQ, observation, and pattern ...

New York City, NY, July 16, 2025 (GLOBE NEWSWIRE) -- QuickIQTest.org, one of the most widely recognized platforms for cognitive testing, has officially unveiled its new and enhanced IQ testing ...

Do you have a knack for numbers? This test is designed to test your logic and mathematical IQ. It will assess your ability to logically discern numerical patterns and to apply them to new contexts, to ...

New York City, NY, Aug. 03, 2025 (GLOBE NEWSWIRE) -- Real IQ Test, the rising leader in online cognitive self-assessment, proudly announces its groundbreaking free IQ test online with instant results, ...

The following IQ test is designed to test non-verbal intelligence while minimizing cultural or educational biases. It's a culture fair IQ test that will measure your intellectual ability, entertain ...

American IQ test scores have dropped during a recent 13-year period, a remarkable finding that runs counter to the well-established trend of increasing IQ scores throughout much of the 20th century.