Major Scale Harmony -- scale/chord relationships

Question 1

B-7 (b5)

Answer 1

C Major

Question 2

G9

Answer 2

C Major

Question 3

Ab7sus (b9)

Answer 3

E Major (enharmonic equivalent of Fb)

Question 4

F#Maj7 (#11)

Answer 4

C# Major (or Db Major)

Question 5

D min11 (b6)

Answer 5

F Major

Question 6

Eb13

Answer 6

Ab Major

Question 7

C#m13

Answer 7

B Major

Question 8

C Maj7

Answer 8

G Major

Question 9

Gb-

Answer 9

E Major

Question 10

C7sus(b9)

Answer 10

Ab Major