Which of the following statements is not correct?
1
Adjective 'preferable' is used only in comparative degree.
2
'Preferable' is followed by 'to' and not 'than' or 'more'.
3
Adjectives like 'interior', 'exterior', 'major', minor, etc. are not used in positive degree.
4
If two adjectives are used for a single noun and if both adjectives are conned by a conjunction, both the adjectives must be in same degree.