The science teacher lecturing his class in biology said, “Now I’ll show you this frog in my pocket.” He then reached into his pocket and pulled out a chicken sandwich. He looked puzzled for a second, thought deeply, and said, “That’s funny....

This is a real challenge for the sharpness of your vision – can you spot The Odd One Out In 20 seconds in all the visual quiz ? Only 1 in 25 can complete these challenge… can you? We have...