GRE Question of the Day (May 7)

 In a certain medical group, Dr. Schwartz schedules appointments to begin 30 minutes apart, Dr. Ramirez schedules appointments to begin 25 minutes apart, and Dr. Wu schedules appointments to begin 50 minutes apart. All three doctors schedule their first appointments to begin at 8:00 in the morning, which are followed by their successive appointments throughout the day without breaks. Other than at 8:00 in the morning, at what times before 1:30 in the afternoon do all three doctors schedule their appointments to begin at the same time?

Indicate all such times.

A. 9:30 in the morning
B. 10:00 in the morning
C. 10:30 in the morning
D. 11:00 in the morning
E. 11:30 in the morning
F. 12:00 noon
G. 12:30 in the afternoon
H. 1:00 in the afternoon