An optical illusion puzzle is challenging people to find the word "date" in a sea of letters, and according to Freshers Live, only two of people are able to spot it ...

Ready to test your observation skills with a simple yet mind-twisting visual puzzle? This new optical illusion is ready to test how sharp your eyes actually are—and believe us, it's more difficult ...

So 4 is an even number. An odd number cannot be shared equally into two groups. For example, these 3 cubes cannot be shared into two equal groups. You have a group of 2 cubes and a group with 1 cube.