IQ, short for intelligence quotient, is a measure of a person’s reasoning ability.Many colleges and universities also use exams similar to IQ tests to select students. Think that you’re observant enough to spot the subtle differences between pictures? Can you find a pear in this School bus bicture?

Get your eyes ready because this is tricky. This spot the difference pictures will have you in for a treat.Solving riddles and picture puzzles is a great way to give your brain the exercise it needs. Brain games like sudoku, chess, and scrabble can help improve your critical thinking skills, sharpen your memory, and boost your productivity in life.