There was an aeroplane crash, every single person died, but two people survived. How is this possible?

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

I guess 76.8% of readers will like this riddle.

What's the least number of people should read this post?

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

What does this simple rebus mean?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

Prove that twice of ten is the same as twice of eleven.

A king sentenced a man to the death sentence for some crime he had committed. Known for his kindness, the king told the culprit that he had a choice to die in a way he decides.

The culprit was clever and said something that saved him from death. What method do you think he must have chosen for his death?

There are seven sisters in a house in a village where there is no electricity or any gadget.

Sister-1: Reading Novel
Sister-2: Cooking
Sister-3: Playing Chess
Sister-4: Playing Sudoku
Sister-5: Washing clothes
Sister-6: Gardening

what is Sister-7 doing ?

Here is what you have to do. You have to throw a ball as hard as you can but it must return back to you even if it does not bounce at anything. Also, you have nothing attached to the ball. There is no one on the other end to catch that ball and throw it back at you.

How will you do it?