
Optical illusions often trick our perception, reminding us that the way we see things isn’t always how they really are. One highly engaging example asks viewers to find the number “5” hidden in a grid filled predominantly with the letter “S”. The challenge: spot it within 7 seconds.
In the image, the “5” is cleverly placed among dozens of “S” characters, making it difficult to pick out at first glance. This type of puzzle falls under the broader category of cognitive illusions, where the brain’s interpretation of visual information is challenged.
For those quick enough to spot the “5”, congratulations—you may just have sharp observation skills. If you couldn’t find it, don’t worry: practicing such visual-challenges can help improve your attention to detail and pattern-recognition over time.
Ready for the answer? The number 5 is located on the left side of the grid, in the fourth column in 1st image and 2nd column in 2nd image.

If you enjoyed this one, there are plenty more puzzles available to test your visual acuity and reflexes. Share it with friends and family to see who spots it fastest!