How can one talk without saying a single word?

Find the mistake in the below maths equations

A = 2
A(A-1) = 2(A-1)
A2-A = 2A-2
A2-2A = A-2
A(A-2) = A-2
A = 1

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

French Police inspects a room where there are no windows, no doors, no tables and is almost empty expect there is just a puddle of water. They found a dead man who obviously hung herself from the ceiling, but they are not able to figure out how this had happened.

John and Jacob entered the crime scene and easily able to solve the case.

How did the man die?

If 24H in a D => 24 hours in a day.
What does "64S on CB" stand for?

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

12345 a famous South Indian actor
567 is a path in jumbled form
8 & 10 are same letters
9 is one among the first six alphabets.
WHO AM I?

Which Travels Faster? Solve below famous picture riddle:

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

John went to meet his friend Jacob, but when he was about to reach the main gate, John notices that Jacob had a mighty dog who was fastened to the tree. The chain is long enough that it allows the dog to reach the main gate.

How can the John reach the main gate?