Can you spot five 'seedless' watermelons in 15 seconds... The challenge is on!

While some of these make you scratch your head and rub your eyes as you try to solve them, some appear to be very easy like child’s play.

Optical Illusion

Illusion is derived from the Latin word illusio or illusionem, which means to mock or trick. Therefore, the basic idea of an optical illusion is to deceive the brain by tricking it. 

The attraction of optical illusions is that they capture your attention and compel you to solve them. While some of these make you scratch your head and rub your eyes as you try to solve them, some appear to be very easy like child’s play.