If you say my name, I will no longer exist. What am I?

Can you count the number of lines in the below picture?

Two fathers and two sons decided to go to a shop and buy some sweets upon reaching. Each of them bought 1 kg of sweet. All of them returned home after some time and found out that they had 3kg of sweets with them.

They did not eat the sweets in the way, nor threw or lose anything. Then, how can this be possible?

What brings you down but never up?

Place a mathematical symbol between the numerals 5 and 9 in such a way that the resulting number is greater than 5 but smaller than 9.

What do you see in the image below

What do you answer even though it never asks you questions?

John was drowned by he was not wet. How?

Which fur should we be getting from the Lion?

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