Logic puzzles come in various forms and have a near-infinite number of themes. But at their core, these reasoning puzzles ...

So f = 1, making c = 5. If a = 4, then e = 7. Our solution is {4, 5, 7, 1}. Why is this system so hard to solve by traditional algebra? It's because these aren't simple linear equations. As soon ...

The Mind Your Decisions YouTube channel offers up a thorny math problem designed for 9-year-olds (!). Our solution involves narrowing down the possibilities using the logic of puzzle solving.