Picture Puzzle IQ Test: Can You Find Who Is the Killer in 8 Seconds? Visual puzzles aren’t only entertaining—they’re also a powerful tool for mental stimulation. Research shows that solving ...

The puzzle presents a pattern in a series of equations, with one missing value for you to solve. It reads: “Math Test: 9 = 90, 8 = 72, 7 = 56, 6 = 42, 3 = ?” Check out the puzzle here: ...

So if you think that your mental ability is so strong and you’re in the 1% league to solve these math puzzles with an IQ level of 160 or higher, then check your mental ability test by solving ...