Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

What does this rebus means ?

If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

I am a ten letters word
The first four letters have the power to rule,
Next, four-letter can be eaten.
The next three-letter represents a lady.
I can fly as well

what am I looking for?

We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?

Kohli and Dhoni decided to have a paintball match.
Kohli told Dhoni, "Sir it is not right as you got thrice the paintballs I have".

Dhoni instantly gives Kohli 10 hit paintballs.
Kohli replied, "Sir, I believe you still have twice the paintballs than I have".

Dhoni gives "?" more paintballs to Kohli.
Kohli replied, "Sir it is even now, Let us have a match".

What is "?".

The more you take me, the more you leave me behind.
Who Am I?

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

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

Explain?

Considering the below equation:

V + II - VI = 10
IV - X + VIII = 20
IV - VII + VI = 30

Then, I + II + III = ?