Which tank will fill first?

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

There was a man he lives in a hotel each morning he presses the first floor button each evening if there is a person in the elevator he asks him to press the 10 floor button if there is no one in the elevator he takes the stairs why.

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

Remove two matchsticks to make the below equation correct.

There is a movie name hidden in the picture that is attached with this question. Can you find out which movie is it?

Can you count the number of squares in the given picture?

Solve below rebus puzzle?

John is on an island and there are three crates of fruit that have washed up in front of him. One crate contains only apples. One crate contains only oranges. The other crate contains both apples and oranges.

Each crate is labelled. One reads 'apples', one reads 'oranges', and one reads 'apples and oranges'. He know that NONE of the crates have been labeled correctly - they are all wrong.

If he can only take out and look at just one of the pieces of fruit from just one of the crates, how can he label all of the crates correctly?

What is the next number in this series?

4,12,84,3612....