People who can solve this mathematical brain teaser in nine seconds or less have an IQ of 135 or higher. Studies have shown that brain teasers can boost your IQ levels.
Nikki Main is a Science Reporter at Gizmodo. She covers a range of topics including climate change, environmental issues, space, artificial intelligence, and archaeological discoveries, reflecting her broad expertise in science and technology. Nikki has been featured in various outlets such as MSN, The Irish Sun, and Lifehacker Australia, showcasing her impactful work in the field.















