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Chapter 9: Variations (38 videos)

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
 
9.4: Variation
1. Direct Variations
2. Problem 1: Direct Variations
3. Problem 2: Direct Variations
4. Inverse Variations
5. Problem 1: Inverse Variations
6. Problem 2: Inverse Variations
7. 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
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. Transitive Property of Ratio
15. Problem 1: Transitive Property of Ratio
 
9.7: Word Problems
1. Word Problem of Ratio of Shadow & Height
2. Problem 1: Word Problem of Ratio of Shadow & Height
3. Word problem of Ratio between Two Numbers
4. Problem 1: Word problem of Ratio between Two Numbers
5. Word problem of Ratio of Sides of Polygons
6. Problem 1: Word problem of Ratio of Sides of Polygons
7. Word problem of Ratio of angles of Polygons
8. Problem 1: Word problem of Ratio of angles of Polygons
9. Word problem of Ratio of Income & Expenses
 

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