Only those with the sharpest eyesight can spot the hidden number | Weird | News
Brainteasers are one of the best ways to stimulate the mind in a fun and enjoyable way. They can come in many different forms, but the three main types of brainteasers are observational, analytical, and mathematical brainteasers.
Analytical brainteasers take the form of written riddles that are posed to the user and require that they solve them as quickly as possible. Meanwhile, mathematical brainteasers are complex maths puzzles.
Observational brainteasers such as the one above referenced by