Brainteasers are challenging puzzles, problems, or riddles designed to stimulate cognitive thinking, creativity, and problem-solving skills.

They often require lateral thinking, logic, or out-of-the-box approaches to find the solution.

Brainteasers can vary in form and complexity, from simple riddles to intricate puzzles, and they are popular for entertainment, education, and mental exercise.

An interesting puzzle by the GCHQ, the UK’s intelligence, security, and cyber agency, has challenged…