Brain teasers like these can help you stay ... Read on for the top 75 hardest riddles with answers, each carefully chosen to challenge even the most seasoned riddle-solvers. Answer: Bookkeeper.

THERE are many types of brain teasers and optical illusions, some can alter the way you see the world around you but others can put your mind to the test. This clever test will see if you really ...

No matter what your skill level when it comes to maths, keeping your brain active by solving puzzles and brain teasers is vital ... question", let alone what the answer should be.