Are you smart enough to find right code for the lock in this math equation?

This mind-bending mathematical puzzle has blown away everyone’s brain.

Mathematical Puzzle

Math Puzzles/riddles are exercises designed to stimulate cognitive function and encourage the brain to work to complete the exercise. 

While many people like to do Math Riddles for fun, however, these simple exercises have other uses also. While neurologists often utilize these puzzles when they work with patients to arrive at a diagnosis, teachers often use them as educational tools in the classroom.