Pass the watermelon test? Then your IQ is probably above average

Here’s a puzzle that’s more than just a juicy brain teaser. It’s the kind of visual challenge that tells you more than whether you’ve got sharp eyes—it taps into your concentration, your patience, and yes, even your brain power. Think you’ve got what it takes to pass the watermelon test? Let’s see how well you fare.

A fruity way to flex your brainpower

Some challenges are just fun. Others sneakily test your cognitive skills while disguising themselves as a bit of harmless entertainment. This one does both.

Imagine a grid filled with 18 slices of watermelon—bright red centres, little black seeds, and that familiar green rind. At first glance, they all look different. But look closer. Two of them are exactly the same. Your job? Find the matching pair as quickly as you can. Simple, right?

Not so fast. It’s trickier than it sounds.

It’s all in the detail

The key here isn’t speed—it’s focus. To crack the code, you’ll need to examine each slice carefully. Think of it like comparing fingerprints: no two look identical unless you’re seriously paying attention.

Some tips from the pros? Try viewing each slice with one eye closed—it helps cut down on distractions and narrows your field of vision. Look at the seed patterns, the colour gradients, the shape of the flesh near the rind. It’s a brilliant exercise in visual discrimination—the kind of skill we use every day without even realising it. From recognising faces in a crowd to picking the right brand of coffee on a crowded shelf, these tasks all rely on the same mental muscle.

So, did you find the twin slices?

If you spotted them quickly—well done. You’re probably the kind of person who notices when someone’s moved a cushion or changed their perfume. But if it took you a little longer, you’re not alone. Most people take around a minute to solve this one. And if you didn’t crack it at all? Don’t sweat it. Like anything, these puzzles get easier with practice. Plus, they’re a brilliant way to train your attention span, especially in our endlessly distracting digital world.

Now for the reveal: one of the identical slices hides in the far-left column, middle row. Its twin? Third row, fourth from the left. If you go back and study them side-by-side, you’ll see it—the seeds, the pulp, the symmetry. A perfect match.

A quiet link to the world of music

Interestingly, challenges like this one don’t just test your eyes—they also echo how we experience music. Spotting visual similarities requires a kind of focused listening, just with your eyes. In the same way a musician picks out a repeating rhythm or a subtle chord change, your brain does something similar with shapes and patterns.

In fact, according to neuroscientists, training your brain to notice detail—whether through visual games or musical practice—can improve overall cognitive performance. It’s the mental equivalent of learning to hear the flute line hiding behind a bold brass section or catching the harmony in a background vocal.

So next time you’re listening to your favourite song or staring at a seemingly simple picture, ask yourself: what’s hiding just beneath the surface?

You might just find that your ability to notice the little things—like twin watermelon slices—says a lot about how you see (and hear) the world.

You might also like:

• If you spot the single 9 hidden among 150 sevens, your IQ might be above average
• If you find the odd number in under 11 seconds, your eyesight is exceptional
• If You Find The Only ‘9’ Among 150 ‘7’s, Your IQ Is Higher Than 97+
• Only people with high IQs can spot the error in this tricky visual puzzle
• Optical illusion challenge: spot the hidden number in under 6 seconds

David Miller

David Miller is an entertainment expert with a passion for film, music, and series. With eight years in cultural criticism, he takes you behind the scenes of productions and studios. His energetic style guides you to the next big releases and trending sensations.