What type of measurement scale (nominal, ordinal, interval, or ratio scale) is being used in the following

Question:

What type of measurement scale (nominal, ordinal, interval, or ratio scale) is being used in the following situations?
a. Musical scales
b. Insurance risk classes for automobile insurance
c. Numbering of pages in a book
d. A grocery scale
e. A grocery scale deliberately set 10 pounds too high
f. Assignment of students to advisers, based on major