If you’re itching to give your brain a workout, there’s nothing quite like a brainteaser to get the cogs turning – and this water-themed TikTok quiz has left people scratching their heads in confusion.

As we hit the end of the week, your brain might be feeling a bit weary or muddled and in need of a spark. It’s common knowledge that physical exercise is vital, but dedicating time to flex our mental muscles is equally crucial.

Brainteasers are not only fun, they can enhance cognitive abilities…