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 are 2 sand hourglasses.

The small one can measure 5 hours and the large one can measure 7 hours.

How can we measure 16 hours with 2 sand hourglasses running together ?

Replace the question mark with the number below given a simple math problem.

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

What is full of holes but still holds water?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

What can jump higher than a building?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

The owner of a popular clothing store comes up with his own method of pricing items. A vest costs $8, socks cost $10, a tie costs $6, and a blouse costs $12. Using the owner’s method, how much would a pair of underwear cost?

What can you hold in your right hand, but never in your left hand?