Direction: There are 1800 students in a school. 800 chose football, 750 chose basketball and the remaining did not choose any game. A student can choose only one game. If a student can choose only one game, find the ratio of number of students who chose basketball to the number of students who chose football.

• A.  5:16                                      
• B.  16:15
• C.  16:3                      
• D.  15:16