Brainteasers are a great way to both stimulate the mind and kill a little bit of time, whether that’s on a bus on the way home or in a queue waiting to enter a busy café. There are three main types of brainteasers, analytical, observational, and mathematical.

Mathematical brainteasers require the user to solve a maths-based question whilst the analytical brainteaser tasks them with solving a riddle or answering a complicated question.

Observational brainteasers, such as the one by Minimum…