Test your focus and problem-solving skills with this picture puzzle! The sharpest minds can find the tiny mistake in seconds.

This optical illusion picture with a hidden dog is the ultimate IQ test online. It pushes you to analyze details quickly, ...

Are you ready to test your intelligence with an exciting brain teaser? Look at the maids and answer which one of them is rich ...

Optical illusions are an incredible way to measure your IQ and sharpen your observation skills. These visual challenges test ...

After finishing this test you will receive a FREE snapshot report with a summary evaluation and graph. You will then have the option to purchase the full results for $6.95 This test is intended ...

IQ Test offers players to test their wits and logic by solving various puzzles. Each room contains challenges that may seem pretty easy at first glance. But as you progress, they will become more ...

报告指出，全球的平均智商以100为均标，东亚各国的平均智商普遍较高，几乎都能突破均标，欧洲、西亚、大洋洲、北美和北非则接近均标，中非和南非与拉丁美洲则低于均标。报告更称，中国自己就占了全世界18%的人口，加上平均智商非常高，所以中国人可以平衡智商低标国家。换句话说，中国人在帮忙拉高全地球人的平均智商。

According to the International IQ Test, updated on January 1, Iran ranks second worldwide, with an impressive average Intelligence Quotient (IQ) of 106.63.

You have five seconds to guess the name of the bird. Your critical thinking abilities and IQ will be put to the test by this challenge. You have a bright mind if you can correctly identify the ...

The solution lies in the number of letters in "TEN" . This IQ test assesses problem-solving abilities and encourages sharing the challenge. An excellent method to assess your capacity for logical ...