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Contents & notes: what this topic covers
Under Variation, the JAMB Mathematics syllabus expects you to study:
- (a) direct;
- (b) inverse;
- (c) joint;
- (d) partial;
- (e) percentage increase and decrease.
Study notes & guidance
Study Variation using a recommended Mathematics textbook that follows the JAMB syllabus. Work through the contents listed above one by one, make brief notes in your own words, and then practise as many questions on this topic as you can — in Mathematics, understanding and steady practice matter far more than memorising. Use the objectives below as a checklist: if you can do each one confidently, you have mastered this topic.
Objectives — candidates should be able to
After studying Variation, you should be able to:
- Identify types of sets, i.e. empty, universal, complements, subsets, finite, infinite and disjoint sets;
- Solve problems involving cardinality of sets;
- Solve set problems using symbols;
- Use Venn diagrams to solve problems involving not more than 3 sets.
These objectives are from the official JAMB syllabus. Use them as a checklist — if you can do each one confidently, you have mastered this topic.
Source: official JAMB UTME Mathematics syllabus (IBASS, jamb.gov.ng). Reproduced for study use. Last checked: 17 Sept 2026. Always confirm the current syllabus on the official portal.