Super TET Subject
Super TET Mathematics: study and practice
Read short revision notes based on syllabus topics, then check your understanding with questions. These are study notes, not the official syllabus.
Reading notes
Percentage, ratio and profit
Percentage means per hundred: 15% of 200 = (15/100) × 200 = 30. A ratio 2:3 represents five equal parts in all. Profit percentage is (selling price − cost price) ÷ cost price × 100; always check which quantity is the base.
Factors, multiples and geometry
HCF is the largest common factor; LCM is the smallest common multiple. For two positive integers, HCF × LCM equals their product. The angles of a triangle total 180°, so two known angles determine the third.
Practice Mathematics questions covering Percentage & Ratio, HCF and LCM, Geometry & Triangles, Profit, Loss & Interest, Number System & Basic Algebra, with instant scoring and explanations.
Start Mathematics practice