![]() ![]() ![]() The computer simulation also revealed that it’s possible to make every number from 1 to 100, which could keep you doodling for many meetings. The simulation unearthed that there are seven other ways of making 100: I simulated each one of these combinations to determine which sum to 100. Since there are eight paired connections, there are 3^8 = 6,561 possible combinations of pluses and minuses. Each pair of digits can be connected by either nothing, a plus sign, or a minus sign. Here’s one way to make sure we find all possibilities: Use a computer simulation. Start with the viral brainteasers below, and see how many you can crack.Play icon The triangle icon that indicates to playīut we can do better-we can make 100 with fewer than 7 pluses and minuses. ![]() Whether you're a fan of Sudoku, visual puzzles like finding Prince George in this collage, crosswords, or even video games or apps, play away. So at the very least, playing these types of games can lower stress and anxiety, as well as boost happy endorphins in general. Researchers at Duke University monitored participants’ brain activity while they completed simple math problems and found that solving them feels like a reward, which can help combat negative feelings. But that doesn't mean you should hang up your puzzler entirely. On the other hand, another study monitored the brain activity, cognitive skills, and decision-making abilities of young people who played cognitive games, and concluded that they don't actually boost cognition. Some studies report that these types of games improve the "executive functions, working memory, and processing speed" of young people, and others, like this one from Medical News Today, tout the benefits of brainteasers for helping to protect cognitive health in seniors. Lots of people use brain teasers and similar games to exercise their noodle, but the jury is still out on whether these types of activities actually help stave off cognitive decline or if they're simply a fun way to pass the time. ![]()
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