Are you a self-proclaimed maths genius? Then prepare to be stumped by this perplexing maths puzzle that’s causing quite a stir on social media.

It’s widely acknowledged that keeping your brain active can boost cognitive function, sharpen memory, and enhance concentration and focus. Some experts even suggest that regular mental exercise could postpone the onset of dementia symptoms.

Brainteasers are as varied as they are challenging, and the latest conundrum is so tricky that people are at…