O-Level is the abbreviation for Ordinary Level. It is one of the two-part GCE (General Certificate for Education). The other part of GCE is the Advanced level (A-Level), which students enter after completing O-Level.
O-Level is the final certification for secondary school. Students that have completed O-Level are considered to have completed formal education. They can further their studies to A-Level ( at their school’s sixth form or a private school), Foundation courses or diploma courses, or simply leave school.
O-Level Mathematics examination is simply to test the students ability in computing and analytical thinking.
Below are links to O-Level Mathematics past questions and solutions