What does this Rebus Picture mean?

What does it mean?

When we see 2 but call 10?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

What can you hold in your right hand, but never in your left hand?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

I am the fastest animal but cannot climb the tree. What am I?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?