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

How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

A boy collects white seashells from the sea and brings them home every night. When he has enough of them, he decides to sell them to a trader.

The trader is ready to buy the shells and he asks the boy about the quantity. At this, the boy starts calculating. He has a giant box that contains 3 mini boxes. Two of them have another mini box inside. If the giant box can hold 50 shells, how many brown shells can he sell to the trader?

What can you deduce from the following BrainBat?

CRY
LMKI

What does this simple rebus mean?

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

What is the below Rebus indicate?

I look flat, but I am deep. Hidden realms I shelter. Lives I take, but the food I offer. At times I am beautiful. I can be calm, angry, and turbulent. I have no heart but offer pleasure as well as death. No man can own me, yet I encompass what all men must have. What am I?

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