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Test your acuity and speed
Get ready for a serious visual test! Today we have prepared an optical puzzle for you that will test not only your acuity but also your speed. In the picture you will see rows of the letter K. Your task is to find, within just 5 seconds, one letter that is hiding among them and doesn’t belong there.
Can you do it in 5 seconds?
Do you think there is only the letter K in the picture? Try looking again and more carefully. The puzzle is designed so that your eyes and brain work at full capacity. Can you find the mysterious letter within the short time limit? If you manage to find the letter within 5 seconds, you can consider yourself one of the sharpest people on the planet.
Answer
So, which letter are we looking for? The mysterious letter is X and is located in the bottom left of the picture. Congratulations if you found it that quickly! If not, remember that every practice is a step toward better acuity.

