A new brainteaser may leave you scratching your head, but will give your brain a good work out.
It's important to keep the vital organ active and this can be done by regularly solving mental puzzles. Research shows that regularly tackling brainteasers can boost our cognitive function like memory, focus and judgement.
At a first glance, these puzzles might seem near impossible to decipher, but the more your practice the better you'll become. The latest tasks takers to find the number 474 that's hiding somewhere among the 444s, the Mirror reports.