Neco Model Questions Vol1 2023 Mathematics Question 24

Practice objective / multiple choice question 24 from the 2023 Neco Model Questions Vol1 Mathematics examination.

Neco Model Questions Vol1 2023 Mathematics Objective / Multiple Choice Hard Difficulty
Question 24 NECO_MODEL_QUESTIONS_VOL1 • 2023 • MATHEMATICS • objective

A solid consists of a right circular cylinder of radius \(r\) cm and height \(h\) cm, surmounted by a hemisphere of the same radius. The total surface area, including the base of the cylinder, is \(800\ \text{cm}^2\) and the total volume is \(1000\ \text{cm}^3\). Determine the radius \(r\) correct to two decimal places.

Answer Options

Correct Answer A. r \approx 2.62\text{ cm}
B. r \\approx 2.78\\text{ cm}
C. r \\approx 3.10\\text{ cm}
D. r \\approx 2.45\\text{ cm}
Correct Answer
A
Correct Option:
r \approx 2.62\text{ cm}

About This Question

This is Neco Model Questions Vol1 2023 Mathematics Question 24. It is one of the objective questions from the 2023 Neco Model Questions Vol1 Mathematics examination.

Difficulty level: Hard .

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