Variations

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Chapter 9: Variations (40 videos)   (Practice Test)
9.1: Ratio
  1. Concept of Ratio
  2. Problem 1: Concept of Ratio
9.2: Proportion
  1. Introduction to Proportion
9.3: Continued Proportion
  1. Continued Proportional
  2. Problem 1: Continued Proportional
9.4: Variation  (Practice Test)
  1. Direct Variations
  2. Problem 2: Direct Variations
  3. Problem3-Introducing Direct Variation
  4. Problem 1: Direct Variations
  5. Inverse Variations
  6. Problem 1: Inverse Variations
  7. Problem 2: Inverse Variations
  8. Problem 3: Inverse Variations
9.5: K-Method and Theorems on Proportion
  1. K-Method and Theorem 1 on Proportion
  2. Problem 1: K-Method and Theorem 1 on Proportion
  3. K-Method and Theorem 2 on Proportion
9.6: Properties of Proportion  (Practice Test)
  1. Law of Proportion
  2. Problem 1: Law of Proportion
  3. Duplicate Ratio
  4. Problem 1: Duplicate Ratio
  5. Invertendo Theorem
  6. Problem 1: Invertendo Theorem
  7. Alternando Theorem
  8. Problem 1: Alternando Theorem
  9. Componendo Theorem
  10. Problem 1: Componendo Theorem
  11. Dividendo Theorem
  12. Problem 1: Dividendo Theorem
  13. Componendo-Dividendo Theorem
  14. Problem on Componendo-Dividendo Theorem
  15. Problem 1: Componendo-Dividendo Theorem
  16. Transitive Property of Ratio
  17. Problem 1: Transitive Property of Ratio
9.7: Word Problems  (Practice Test)
  1. Word Problem of Ratio of Shadow & Height
  2. Problem 1: Word Problem of Ratio of Shadow & Height
  3. Problem 1: Word problem of Ratio between Two Numbers
  4. Word problem of Ratio of Sides of Polygons
  5. Word problem of Ratio of angles of Polygons
  6. Problem 1: Word problem of Ratio of angles of Polygons
  7. Word problem of Ratio of Income & Expenses