Neco Model Questions Vol1 2022 Mathematics Question 41

Practice objective / multiple choice question 41 from the 2022 Neco Model Questions Vol1 Mathematics examination.

Neco Model Questions Vol1 2022 Mathematics Objective / Multiple Choice Medium Difficulty
Question 41 NECO_MODEL_QUESTIONS_VOL1 • 2022 • MATHEMATICS • objective

The sum of the first n terms of a sequence is given by \(S_n = an^{2}+bn+c\). It is known that the sum of the first 2 terms is 12, the sum of the first 5 terms is 70, and the 5th term equals 20. Find the 12th term of the sequence.

Answer Options

A. 74/5
Correct Answer B. 74/3
C. 75/3
D. 73/3
Correct Answer
B
Correct Option:
74/3

About This Question

This is Neco Model Questions Vol1 2022 Mathematics Question 41. It is one of the objective questions from the 2022 Neco Model Questions Vol1 Mathematics examination.

Difficulty level: Medium .

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