You're currently following this author! Want to unfollow? Unsubscribe via the link in your email. This brain-teasing math problem created by Puzzles9 presents three pentagons, each with a set of five ...

Put your intelligence where your logic is! This isn’t just another number puzzle—it’s a real test of brainpower. To solve it, you’ll need more than quick thinking; you’ll need high IQ-level reasoning, ...

The missing number is 1,620. The digits in the tens places (green in the figure below) of the numbers in columns 1, 2, 4 and 5 are added together. The total value is represented by the digits in the ...

Math puzzles are a fun way to keep your brain sharp and active. Just like physical exercise is good for your body, mental exercise is very important for your brain health– that’s why missing number ...

For all of the recent strides we’ve made in the math world—like a supercomputer finally solving the Sum of Three Cubes problem that puzzled mathematicians for 65 years—we’re forever crunching ...