This optical illusion IQ test dares you to spot the hidden 0 camouflaged among a grid of 3s in just 5 seconds. Put your observation skills to the test and see how sharp your eyes are!

Various exams from around the world are known for their toughness, competitiveness and their different levels of test. Here are the top 10 toughest exams in India and the world.

In the 1990s, it merged with another society and announced that members would have to retake the entry test. This prompted something close to a civil war, and by 2003, the various factions in the high ...

Fascinated by the dangerous allure of IQ—its promise to provide a definitive ranking of human intellectual worth—I decided to sit for an IQ test myself.

Have you ever wondered what makes some people exceptionally good at solving riddles and puzzles? The human brain thrives on challenges, and brain teasers like this one test more than just your ...

IQ Tests are simple tools to test your intelligence and critical thinking skills. In this IQ Test, you need to find the missing number in the picture within 5 seconds. Do you have a high IQ?

IQ tests challenges your logical and critical thinking capabilities. There is one mistake in this picture puzzle. Can you find it in 5 seconds? Test your IQ now!

IQ Test requires you to face a series of challenge rooms to determine your IQ score so that your avatar meets their parents at the end.

IQ Test is a Roblox title where you go through a series of puzzle rooms to determine what your IQ score is. It includes 200 floors in total, where clearing each puzzle room will grant you one IQ ...