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  3. Arithmetic Progression (AP)
  4. Sum of n Terms of an Arithmetic Progression (AP)
  5. Find the Number of Terms in an AP When the Sum of the Series is Given

Grade 10 Sri Lanka School Math Find the Number of Terms in an AP When the Sum of the Series is Given

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Grade 10
1. Real numbers
2. Polynomials
3. Linear Equations in Two Variables
4. Triangles
5. Trigonometry
6. Statistics and Probability
7. Quadratic Equations
8. Arithmetic Progression (AP)
8.1. Tell if a Progression is an Arithmetic Progression (AP)
8.2. Find the First Term, Common Difference or the Next Term in an Arithmetic Progression (AP)
8.3. Find the Unknown Variable(s) in an AP
8.4. Find the Numbers in AP Under Specified Conditions
8.5. General Term (nth Term) of an AP
8.6. General Term (nth Term) from the End of an AP
8.7. Arithmetic Mean
8.8. Sum of n Terms of an Arithmetic Progression (AP)
8.8.1. Find the General Term of an AP When the Sum of n Terms is Given
8.8.2. Find the Common Difference when the Sum of the Series is Given (AP) and the First and the Last Term is Given
8.8.3. Find the Number of Terms in an AP When the Sum of the Series is Given
8.8.4. Find the Sum of an AP Under Different Conditions
8.9. Word Problems on Arithmetic Progressions (AP)
9. Circles
10. Coordinate Geometry
11. Mensuration
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