pattern - Hard questions from an IQ test

I have edited the post to reduce the number of questions (I only kept the ones that were already answered) and I am creating a new post

The questions are from the test taken from the website: http://www.iq-brain.com/example/1

1:

2:

5:

Answer

2.

Bottom left. When the first two shapes are superimposed, regions that are only occupied by one shape are red, by both are white.

5.

Bottom left. Purple\Blue is widen, turn tip black. Green is rotate, Red is turn body yellow.