It might not seem like there's enough information to solve these logic puzzles at first—but that's part of the fun!
Sometimes, we love nothing more than a good puzzle! So here is a LOT of good puzzles! Play along and see if you can beat them all!
much of the GCHQ workforce keep their minds sharp by creating and solving devious puzzles. To mark its 100th anniversary, the intelligence agency has provided Sky News with some of its brain ...