6 topics · every exam question type
⚖️1. Ratio BasicsFind the numbers; split a total in a given ratio2 types🟰2. ProportionDirect/inverse, partnership, fourth & mean proportional2 types🔑3. k-Method & ComponendoLet each part = k; componendo–dividendo shortcut1 type🔗4. Compound & Chained RatiosMultiply ratios; weld A:B and B:C into A:B:C2 types🎂5. AgesAges in a ratio now, before and after1 type💰6. Change, Income & SavingsRatio shifts; savings = income − expenditure2 types