Solve the following series:
AZ, GT, MN, __, YB

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

Alpha is Beta's sister.

Gamma is a Beta mother.

Delta is Gamma's father.

Tango is Delta's mother.

Then,

How is Alpha related to Delta?

A man was driving a black truck. His lights were not on. The moon was not out. A lady was crossing the street. How did the man see her?

A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?

What question can you never answer yes to?

Replace the question mark with the number below given a simple math problem.

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

What is at the end of a rainbow?

If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?