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

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

Can you find a five letter word that is left with only two letters if one is removed?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

You have a basket containing ten apples. You have ten friends, who each desire an apple. You give each of your friends one apple.
Now all your friends have one apple each, yet there is an apple remaining in the basket.
How?

Assume there are approximately 5,000,000,000 (5 billion) people on Earth. What would you estimate to be the result, if you multiply together the number of fingers on every person's left hand? (For the purposes of this exercise, thumbs count as fingers, for five fingers per hand.) If you cannot estimate the number then try to guess how long the number would be.

A container contains 100 eggs. They can be either fresh or rotten. What is sure is the fact that there is at least one fresh egg in that container.

If you are asked to pick two eggs randomly from the container, at least one of them will be rotten.

Can you calculate how many eggs in that container are fresh?

How can you make number one disappear by adding something to it?

How many bananas can you eat if your stomach is empty?

John was driving a bus and got stuck when passing through an underpass. Then came Jacob with a needle and got the bus out of the underpass.

What did the boy do?