In 2002, the number of students, who participated in a quiz was 15% more than the number of students, who participated in 2003. And the number of students, who participated in 2004 was 1200, which is 20% less than the number of students, who participated in the year 2003. How many students had participated in the year 2002?
A. 850
B. 1150
C. 1275
D. 1500
E. 1725
Answer: E
Source: e-GMAT