Who are the happiest people in IPL match?

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

A man is looking at a photograph of someone. His friend asks who it is. The man replies, “Brothers and sisters, I have none. But that man’s father is my father’s son.” Who was in the photograph?

I travel all around the world but always stay in the corner. What am I?

Ten coins have been arranged as you can see in the given picture. In this arrangement, a triangle is formed pointing upwards. You have to invert the position of the triangle and make it point downwards while changing the position of 3 coins only. Can you do it?

A Monkey, a squirrel, and an Eagle are racing to the top of the mango tree. Assuming all these animals are in perfect shape, Which animal will reach to Banana first?

What does the below image rebus riddle means ?

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?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?