(a) What is the letter name of the pitch for note 1? : (b) What is the letter name of the pitch for note 2? :
(c) What is the letter name of the pitch for note 3? :
(d) What is the letter name of the pitch for note 4? :
(e) What type of staff is the example using? :

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.