Igcse Model Questions Vol1 2018 Mathematics Question 33

Practice objective / multiple choice question 33 from the 2018 Igcse Model Questions Vol1 Mathematics examination.

Igcse Model Questions Vol1 2018 Mathematics Objective / Multiple Choice Medium Difficulty
Question 33 IGCSE_MODEL_QUESTIONS_VOL1 • 2018 • MATHEMATICS • objective

The sum of the first \(n\) terms of an arithmetic sequence is given by \(S_n = 3n^{2} + 5n\). Find the first term, the common difference, and the 10th term of the sequence.

Answer Options

Correct Answer A. First term \(a = 8\), common difference \(d = 6\), 10th term \(= 62\)
B. First term \\(a = 8\\), common difference \\(d = 5\\), 10th term \\(= 53\\)
C. First term \\(a = 5\\), common difference \\(d = 6\\), 10th term \\(= 59\\)
D. First term \\(a = 10\\), common difference \\(d = 6\\), 10th term \\(= 64\\)
Correct Answer
A
Correct Option:
First term \(a = 8\), common difference \(d = 6\), 10th term \(= 62\)

About This Question

This is Igcse Model Questions Vol1 2018 Mathematics Question 33. It is one of the objective questions from the 2018 Igcse Model Questions Vol1 Mathematics examination.

Difficulty level: Medium .

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