Neco Model Questions Vol1 2025 Mathematics Question 44

Practice objective / multiple choice question 44 from the 2025 Neco Model Questions Vol1 Mathematics examination.

Neco Model Questions Vol1 2025 Mathematics Objective / Multiple Choice Medium Difficulty

Question 44 NECO_MODEL_QUESTIONS_VOL1 • 2025 • MATHEMATICS • objective

The first three terms of an arithmetic progression are \(a,\;a+d,\;a+2d\). Their sum is \(45\) and the sum of their squares is \(765\). Find the common difference \(d\).

Answer Options

A. 5\\sqrt{3} or -5\\sqrt{3}

Correct Answer B. 3\sqrt{5} or -3\sqrt{5}

C. 6\\sqrt{5} or -6\\sqrt{5}

D. 3\\sqrt{6} or -3\\sqrt{6}

Correct Answer

Correct Option:

3\sqrt{5} or -3\sqrt{5}

About This Question

This is Neco Model Questions Vol1 2025 Mathematics Question 44. It is one of the objective questions from the 2025 Neco Model Questions Vol1 Mathematics examination.

Difficulty level: Medium .

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