Brainteasers can come in many different shapes and sizes, but the three main types of brainteasers are observational, analytical, and mathematical.

Mathematical brainteasers come in the form of difficult mathematical equations which the user must solve as quickly as possible.

Meanwhile, analytical brainteasers can be equally as tricky with users encouraged to try and solve a written riddle instead.

Observational brainteasers, like the one above by Jagran Josh, start off with a graphic full of…