Gce Model Questions Vol1 2021 Mathematics Question 9

Practice objective / multiple choice question 9 from the 2021 Gce Model Questions Vol1 Mathematics examination.

Gce Model Questions Vol1 2021 Mathematics Objective / Multiple Choice Hard Difficulty
Question 9 GCE_MODEL_QUESTIONS_VOL1 • 2021 • MATHEMATICS • objective

A closed cylindrical can is to hold exactly \(5000\text{ cm}^{3}\) of liquid. The material used for the curved side costs twice as much per square centimetre as the material used for each of the top and bottom. Determine the radius (in cm) and height (in cm) that minimise the total cost of the can. Give your answers correct to two decimal places.

Answer Options

A. radius ≈ 12.50 cm, height ≈ 10.00 cm
B. radius ≈ 10.00 cm, height ≈ 15.92 cm
C. radius ≈ 11.68 cm, height ≈ 12.00 cm
Correct Answer D. radius ≈ 11.68 cm, height ≈ 11.67 cm
Correct Answer
D
Correct Option:
radius ≈ 11.68 cm, height ≈ 11.67 cm

About This Question

This is Gce Model Questions Vol1 2021 Mathematics Question 9. It is one of the objective questions from the 2021 Gce Model Questions Vol1 Mathematics examination.

Difficulty level: Hard .

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