What does does this rebus picture means ?

Can you find the company name in the pictogram below?

Using eight eights and addition only, can you make 1000?

Who has married many women but was never married?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

He does not have any heart but still, He manages to live.
If you kill him, you will eventually die but yet you kill him.
He cannot run, who is He?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

He loves to dance, twist and prance, he shakes his tail, and as a way he sails, wingless he flies into the sky. What is he?

I inserted a coin in a bottle and closed its mouth with the help of a cork. Now, I was able to take the coin out from the bottle without taking out the cork or breaking the bottle. Can you tell me how I did it?