An arithmetic sequence has its first term as 5 and a common difference of 3. What is the sum of the first 10 terms of this sequence?

A 185

B 190

C 200

D 215

✓ Correct Answer: Option A

The first term (a1) is 5, and the common difference (d) is 3. The 10th term (a10) = 5 + (10-1)*3 = 32. The sum S_10 = 10/2 * (5 + 32) = 5 * 37 = 185.

💡 Why is A) the correct answer?

The correct answer to the question "An arithmetic sequence has its first term as 5 and a common difference of 3. What is the sum of the first 10 terms of this sequence?" is Option A: 185.

The other options — B) 190, C) 200, D) 215 — are incorrect for this GRE Exam Prep question. As explained above: The first term (a1) is 5, and the common difference (d) is 3. The 10th term (a10) = 5 + (10-1)*3 = 32. The sum S_10 = 10/2 * (5 + 32) = 5 * 37 = 185.

📚 About This GRE Exam Prep Practice Question

This 3-level GRE Exam Prep question from the Quantitative Reasoning topic is part of BrainForge Quiz's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.

How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free GRE Exam Prep practice test or use flashcards for spaced repetition review.

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An arithmetic sequence has its first term as 5 and a common difference of 3. What is the sum of the first 10 terms of this sequence?

✓ Correct Answer: Option A

📚 About This GRE Exam Prep Practice Question

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