The puzzle asks you to solve 15 + 16, but it’s not as simple as it looks. At first glance, it seems like a basic math problem ...

Congratulations to you if you are among the readers who have spotted the word in 8 seconds. You have a sharp eyesight and a ...

B rain teasers have always been a favourite pastime for people who enjoy testing their wits. From riddles to optical ...

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Find the hidden 5 among the grid of 2s within 5 seconds. If you can spot the camouflaged number in this optical illusion image within the time frame, you may have an above-average IQ.

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American IQ test scores have dropped during a recent 13-year period, according to a newly published study. That's a remarkable finding that runs counter to the well-established trend of increasing ...

Sudoku is a logic-based number puzzle played on a 9x9 grid, divided into nine 3x3 subgrids. The goal is to fill the grid so that each row, column, and 3x3 box contains the numbers 1 through 9 exactly ...