Below, you will find the mathematical proof that 10 equals 9.99999?. But is that possible or there is something wrong about it? Can you find the error?

x = 9.999999...
10x = 99.999999...
10x - x = 90
9x = 90
x = 10

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?

You can see it everyday, But cannot touch it at will. What is it?

What do the following words have in common?

Assess
Banana
Dresser
Grammar
Potato
Revive
Uneven
Voodoo

Decode the movie name from the below picture?

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

A woman lives in a skyscraper thirty-six floors high and is served by several elevators which stop at each floor going up and down. Each morning she leaves her apartment and goes to one of the elevators. Whichever one she takes is three times more likely to be going up than down. Why?

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

Can you find out who is the kidnapper in below Picture and why, Explain ?