New Delhi, June 13 -- Engaging in mind-stimulating activities is crucial for maintaining brain health. Scientists believe that playing brainteasers can significantly reduce the risk ofAlzheimer's disease.

Brain-boosting puzzles push your problem-solving skills to the next level, as they demand creativity and unconventional thinking.

Some brainteasers take you on a full-blown mental adventure to uncover the solution, while others are so cleverly straightforward, you will be surprised you did not spot the answer sooner.

Either way, they are a fun and significant way to keep your mind sharp.

Here are some brainteasers that might just leave you stumped. And yes, the answers are given below, but try not to peek. So grab your thinking cap a...