Which is the rope you never skip with?

Can you solve the maths in the below-given picture equation?

What does this rebus riddle means ?

You are confined in a room and given two metal rods. Out of these two rods, one is magnet and the other is the iron rod. They look starkly similar. You don't have any other metal object in the room.

How will you decide which one of those is magnet?

A sea diver is a real show-off. He showed everyone that he can hold his breath underwater for 15 minutes.

I went to the diver and told him that I can be underwater for double the time i.e 30 minutes.
He responded that he will give me 100$ if I would be able to do it. I won 100$.

What did I do?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

You can see it everyday, But cannot touch it at will. What is it?

Why did Buffon take the goal with him after every Juventus match?

what does the below rebus means?

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?