What does this below rebus puzzle mean?

At the local model boat club, four friends were talking about their boats.

There were a total of eight boats, two in each colour, red, green, blue and yellow. Each friend owned two boats. No friend had two boats of the same colour.

Alan didn't have a yellow boat. Brian didn't have a red boat but did have a green one. One of the friends had a yellow boat and a blue boat and another friend had a green boat and a blue boat. Charles had a yellow boat. Darren had a blue boat, but didn't have a green one.

Can you work out which friend had which coloured boats?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

In a football game, Christina defeated Teresa by 2 - 0 but no man from either side scored. How can this be possible?

What type of tree can I carry in my hand?

The cream is heavier than Milk. True or False?

What can go through glass without breaking it?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

A maths symbol is hidden in the below Bar Graph. Can you decipher it?