If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

No one wants to have it, but if one got it, he does not want to lose it. What is It?

A man was gazing through the window of the 23rd floor of the building. He suddenly opened the window and jumped on the other side of the window. On landing on the floor, there was not a sheer mark of injury on him.

How can that be possible if he did not use any kind of parachute and did not land on a soft surface?

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

Which tank will fill first?

Usually, a boxing match consists of twelve rounds. In a particular friendly match between two heavyweights, the match was finished in the ninth round itself as one of the boxers knocked out the other one.

But, in that fight, no man threw even a single punch.

How can this be possible?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

John and his wife were living in a rural place. On a particular day, John's wife fell ill and he called the local doctor. When the doctor picked up, he said, "Doctor, my wife is ill. She might have appendicitis."

"This can't be possible! I took out her appendix two years ago myself," the doctor explained.

When diagnosed, John's wife was found to have appendicitis. How can this be possible?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?