How many sides does a circle have?

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

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

What does this Rebus Picture mean?

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

In the picture that is attached with this question, you can find a square which comprises of four little squares inside it. Consider this square to be made with matchsticks. You have to remove two matchsticks such that only two squares remain instead of five.How will you do it ?

A man is found hanging dead from the ceiling of a room. The room’s dimensions are 15 x 15 x 15. The man is only 6ft tall and the rope was only 2ft long. There are no windows and only one door to the room. The door is bolted shut from the inside, and a puddle of water is under the man. How did he kill himself?

What does this below rebus puzzle mean?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

I am sure no one can have two things for dinner. what are they?