Neco 2021 Further Mathematics Question 18

Practice objective / multiple choice question 18 from the 2021 Neco Further Mathematics examination.

Neco 2021 Further Mathematics Objective / Multiple Choice Medium Difficulty
Question 18 NECO • 2021 • FURTHER_MATHEMATICS • objective

A right circular cylindrical tank is to hold exactly \(5000\ \text{cm}^{3}\) of water. Find the radius \(r\) (in cm) and height \(h\) (in cm) of the tank that minimize the total surface area (including top and bottom). Give your answers correct to one decimal place.

Answer Options

A. r \approx 10.0 cm, h \approx 15.5 cm
Correct Answer B. r \approx 9.2 cm, h \approx 18.6 cm
C. r \approx 7.9 cm, h \approx 25.2 cm
D. r \approx 8.5 cm, h \approx 21.0 cm
Correct Answer
B
Correct Option:
r \approx 9.2 cm, h \approx 18.6 cm

About This Question

This is Neco 2021 Further Mathematics Question 18. It is one of the objective questions from the 2021 Neco Further Mathematics examination.

Difficulty level: Medium .

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