Brainteasers are a great way to push one of the body’s most important organs to its limits.
They can come in many different shapes and sizes. Some are mathematical while others are observational.
This brainteaser by SGS Engineering is observational in that it tests your vision and ability to spot anomalies.
Your task is to try and spot the odd tile out in under 19 seconds. According to the creators behind the brainteaser ... Read even more
