Keeping your brain active is known to enhance cognitive performance, improve memory and assist with focus and attention.

For those who pride themselves on spotting the smallest details that others overlook, this puzzle will be a delight. However, be prepared for a race against time you have a mere 40 seconds to solve this challenging test.

There are two pictures crafted by Cartridge Save, a printer supply company. The task involves identifying four differences between two images depicting workers on a deadline.

Although the images may appear identical at first glance, there are several subtle changes between the two. Participants are tasked with finding these seven differences within 40 seconds, a challenge that has proven difficult for many.

Some participants have admitted defeat, unable to locate all the differences. Others have taken as long as 5 minutes to solve the puzzle.

Brainteasers are not just entertaining they offer an excellent way to focus your mind and encourage out-of-the-box thinking. They are often shared on platforms like Reddit, and we've seen some in the past that have left many puzzled.

Some even suggest that regular mental exercises can delay the onset of dementia symptoms. Many individuals utilise brainteasers and puzzles as a means to keep their minds active, and it's believed that adding a time constraint can further enhance the benefits.

If you're still stumped, scroll down for the answers.

So did you manage to solve it? Share your success stories down in the comments!

Looking for more brainteasers? Previously, only those with razor sharp vision can spot the shower head hidden in plain sight.

The puzzle created by Mira Showers left the internet baffled as it challenged players to spot a hidden shower among a crowded display of household items including baths, washing machines and hair dryers.