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Sum of First n Terms — Easy set 1

10 easy questions on Sum of First n Terms for CBSE Grade 10 Mathematics. Preview stems and options, then log in to practice one question at a time and earn XP.

1. What is the formula for the sum of the first n terms of an arithmetic progression?

2. If the first term of an arithmetic progression is 3 and the common difference is 5, what is the sum of the first 4 terms?

3. In an arithmetic progression, if the sum of the first 5 terms is 50 and the first term is 2, what is the common difference?

4. What is the sum of the first 10 terms of the arithmetic progression where the first term is 1 and the common difference is 2?

5. If the sum of the first n terms of an arithmetic progression is 30 and the first term is 5, what is the value of n if the common difference is 2?

6. In an arithmetic progression, if the first term is 4 and the common difference is 3, what is the 10th term?

7. What is the sum of the first 15 terms of an arithmetic progression with a first term of 6 and a common difference of 4?

8. If the first term of an arithmetic progression is 7 and the sum of the first 6 terms is 84, what is the common difference?

9. What is the sum of the first 20 terms of an arithmetic progression if the first term is 1 and the common difference is 1?

10. What is the sum of the first 10 terms of the arithmetic progression where the first term is 2 and the common difference is 3?

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