Neco Model Questions Vol1 2023 Mathematics Question 40

Practice objective / multiple choice question 40 from the 2023 Neco Model Questions Vol1 Mathematics examination.

Neco Model Questions Vol1 2023 Mathematics Objective / Multiple Choice Medium Difficulty
Question 40 NECO_MODEL_QUESTIONS_VOL1 • 2023 • MATHEMATICS • objective

A sequence \(\{a_n\}\) is defined by \(a_1 = 2\) and \(a_{n+1}=3a_n+4\) for \(n\ge 1\). (i) Find the sum of the first five terms. (ii) Find the smallest integer \(n\) such that the sum of the first \(n\) terms exceeds \(5000\).

Answer Options

Correct Answer A. Sum of first 5 terms = 474 ; smallest n = 8
B. Sum of first 5 terms = 480 ; smallest n = 9
C. Sum of first 5 terms = 474 ; smallest n = 7
D. Sum of first 5 terms = 470 ; smallest n = 8
Correct Answer
A
Correct Option:
Sum of first 5 terms = 474 ; smallest n = 8

About This Question

This is Neco Model Questions Vol1 2023 Mathematics Question 40. It is one of the objective questions from the 2023 Neco Model Questions Vol1 Mathematics examination.

Difficulty level: Medium .

View More Neco Model Questions Vol1 2023 Mathematics Questions More Neco Model Questions Vol1 Practice Questions Back to Questions

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Chat with Support