Can you solve the photo plexer logic ?

You have an empty wine bottle with a cork that has been secured at the top in a normal way. There is a metal ring inside the bottle that is suspended by a string.

How can you make the metal ring drop to the bottom if you are not allowed to touch anything - not the bottle, not the cork, not the thread and not the ring?

I am a five-letter word under you,
Remove the first letter and I am above you,
Remove the second as well and I am around you.

Who am I?

What is the word or phrase?

Who can jump higher than a Mountain?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

How many triangles are there on the puzzle below?

I go up and I go down.
I go up towards the beautiful sky and down toward the green ground.
I am present tense.
I am past tense too
Children love me.

Who Am I?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

The answer I give is yes, but what I mean is no. What was the question?