B is who is a brother of A and C (A elder than B, B elder than C) notices that his ages at the years 1990, 1993 and 1999 are in G.P. The ratio of ages of A, B and C at the year 2011 is 9 : 8 : 7. What is the age of C at the year 2020? (in years)

B is who is a brother of A and C (A elder than B, B elder than C) noti

1.	B is who is a brother of A and C (A elder than B, B elder than C) notices that his ages at the years 1990, 1993 and 1999 are in G.P. The ratio of ages of A, B and C at the year 2011 is 9 : 8 : 7. What is the age of C at the year 2020? (in years)
A.	27
B.	30
C.	32
D.	33
E.	31
Answer» C. 32