What do these mean?
1. The book is printed in three different coloured inks. (The 'ink's are filled with colour?)
2. The book is printed in three different colour inks. (What does this mean? If it is wrong, why?)

3. This is a remote-control car. (Is 'control' an adjective here or is it a noun?)
4. This is a remote-controlled car.

5. You need to use a designated driver.
6. You need to use a designate driver. (What does mean? Even though it is wrong, what does it mean? If it is incorrect, why?)