What do you answer even though it never asks you questions?

It is a nine-letter word.
The exact opposite of the phrase "friendly and outgoing"
It contains the word "over".
It starts will a vowel.

What is it?

You need to remove two matchsticks to make the below equation true. Can you do it ?

What is common among 11, 69, and 88?

John and Jacob are twin brothers. One of them is a liar whereas the other one is a truth-teller.

I called their home number and one of them picked up.
I asked. 'Does John lie?' The person replied with a yes.

Whom did I talk with, John or Jacob?

What is the centre of gravity?

I know there are two methods by using three time the same number with a plus(+) operator , you can make sum as 60.

One of them is 20+20+20.

whats the other way ?

Look at the picture and find out which square is not linked with any of the other squares.

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

How can one talk without saying a single word?