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

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

Take one out and scratch my head, I am now black but once was red. What am I?

What do you answer even though it never asks you questions?

Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water.

How many frogs are there on the log at this moment?

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

If six children and two dogs were under an umbrella, how come none of them got wet?

What does it mean?

Sherlock Holmes was challenged to make a pre-drawn line smaller without erasing it. He did it in fractions of seconds. How?