2, 3, 5, 9, 17, _ What is the next number in the sequence?

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

If eleven plus two equals one, what does nine plus five equal?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

I add 5 to 9 and get 2. The answer is correct, so what am I?

What does this rebus mean?

O
N
C
E
TIME

My location can be determined by the below rebus.
So where am i ?

Solve the following series:
AZ, GT, MN, __, YB

A mad serial killer kidnaps people and forces them to play the game of 2 pills with them, In this game, there are pills in the table and one of them is normal pill while the other one is deadly poisonous.
The victim will choose one pill and the killer will pick the other pill and both simultaneously will swallow the pill with water.
victim dies every time.

One day the serial killer kidnaps the Joseph and forces him to play the same game with him.

Joseph solves the mystery of the two pills and remains alive.

Explain?

I have branches, but no fruit, trunk or leaves. What am I?