Neco Model Questions Vol1 2019 Mathematics Question 8

Practice objective / multiple choice question 8 from the 2019 Neco Model Questions Vol1 Mathematics examination.

Neco Model Questions Vol1 2019 Mathematics Objective / Multiple Choice Hard Difficulty
Question 8 NECO_MODEL_QUESTIONS_VOL1 • 2019 • MATHEMATICS • objective

The total surface area (including base) of a right circular cone is \(150\pi\) cm\(^2\). A sphere is inscribed in the cone, touching the base and the lateral surface. If the volume of the cone is three times the volume of the sphere and the height of the cone is less than 20 cm, find the height of the cone, rounded to the nearest centimetre.

Answer Options

A. 12
Correct Answer B. 9
C. 8
D. 10
Correct Answer
B
Correct Option:
9

About This Question

This is Neco Model Questions Vol1 2019 Mathematics Question 8. It is one of the objective questions from the 2019 Neco Model Questions Vol1 Mathematics examination.

Difficulty level: Hard .

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