Western music uses letters of the alphabet to indicate pitch.

a) first five
b) first seven
c) wide variety
d) last three

the answer is b.

by: nicholas

including the octave, the answer would 8 notes in a major scale with one note being played twice. ex) c major scale includes: c, d, e, f, g, a, b, c

notice that c is played twice

however, if you were to ask me how many different notes are in a major scale- the answer would be 7.