Which word does the below Plexor means ?

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 "?".

I cannot talk, but I always reply when spoken to. What am I?

Can you find out which number multiplied by itself will give the output as 12345678987654321?

The peacock is a bird that does not lay eggs. How do they get baby peacocks?

Manish has to secure 40% marks to pass his B.tech final exams.
He got just 40 marks and failed by 40-marks.

What is the maximum marks?

What does this mathematical rebus means ?

who is silent in the parliament?

What is the unique property of the following words ?
* Revive
* Banana
* Grammar
* Voodoo
* Assess
* Potato
* Dresser
* Uneven

I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?