It belongs to you, but other people use it more than you do. What is it?

What are the next two letters in the following series and why?
W A T N T L I T F S _ _

*Hint: Check Puzzle Title

What building has the most stories?

There is something which you can be arrested for attempting but not for successfully completing.

How can you throw a ball as hard as you can and have it come back to you even if it doesn't hit anything there is nothing attached to it and no one else catches or throws it.

A new clothing store has a unique method of pricing items. A vest costs $20, a tie costs $15, a blouse costs $30, and underwear costs $45. How much would pants cost?

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?

what one word does the below rebus identifies?

A generous owner of a company decided to give a bonus of $45 to every man and $60 to every woman on his birthday. But only one-ninth of the men and one-twelfth of the women were present to take the bonus.

Can you calculate the amount of money the owner spent if there were 3552 employees?

Different lights make me strange by changing me into different sizes. What am I?