How can one talk without saying a single word?

What is the word or phrase?

Count the number of lines in the image below ?

Can you write down eight eights so that they add up to one thousand?

f you were running a race, and you passed the person in 2nd place, what place would you be in now?

What building has the most stories?

John was running from 40 thieves. John has got 3 gold boxes which weigh as 4kg, 2kg, and 1kg respectively. A witty man asked John to stay with him for seven days in exchange for 1kg gold per day. John needs to stay there for seven days and also do not want to give the witty man any advance. How can John pay for his seven days stay?

You have four chains. Each chain has three links in it. Although it is difficult to cut the links, you wish to make a single loop with all 12 links. What is the fewest number of cuts you must make to accomplish this task?

It is always ahead of me yet I can never see it. What is it?

If you say my name, I will no longer exist. What am I?