One type of brain teaser that puts the reader's analytical and problem-solving abilities to the test is the picture puzzle.
A higher IQ and better focus might be the results of tackling these problems.
Picture puzzles often ask the player to locate a concealed object, decipher a code, or identify an error.
Doing these kinds of activities on a regular basis is a great way
to exercise your brain and improve your problem-solving abilities.
Above, you can see a living room scenario including a man and his two cats relaxing in front of the television.
Readers are challenged to identify the one error in the image within five seconds.