What is harder to catch the faster you run?

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

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

Through your logical capabilities, can you make 7 an even?

I want to fill my bucket using both cold and hot water.
I have two taps for both cold and hot water. The hot water tap fills the bucket in exact 6 hours and the cold water tap fills the bucket in exact 4 hours.
I turn both of them simultaneously but I forgot to turn off another tap which removes the water out of the bucket. This tap can empty the bucket in 12 hours.

How Long will it take to fill the bucket?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

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?

How many bricks does it take to complete a building that is 15 feet wide, 30 feet deep, and 12 feet tall made of brick?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?