How can one talk without saying a single word?

O_er_t_o_

Complete the missing letters of the given word.

I am sure no one can have two things for dinner. what are they?

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

Who is He ?

What Does this text mean:

important=important

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

Why did Navjot Singh Sidhu put the new January calendar in the freezer

What occurs twice in a week, once in a year but never in a day?

I never was there, I am always to be.
You have never ever seen me, not ever you will.
Yet I am the confidence of everyone.

Who Am I?