If you enjoy brain teasers and visual puzzles, this riddle will surely give your brain muscles a workout and test you sharp sight. Visual puzzles improve your observation skills, test your ...

Each cube has a volume of \({1~cm}^3\). So the volume of this cuboid is \({12~cm}^3\). Remember to count all the cubes, even those you can't see. The top layer has \(1\,cm^{3}\). The middle layer ...