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Of a cylinder, the base radius is increased by 10 percent and the heig
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10 Nov 2023, 02:58
10 Nov 2023, 02:58
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66% (01:15) correct
33% (01:57) wrong based on 27 sessions
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Of a cylinder, the base radius is increased by 10 percent and the height is increased by 20 percent.
A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
Quantity A |
Quantity B |
Percent increase in volume of the cylinder |
40% |
A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
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Free Materials for the GRE General Exam - Where to get it!!
GRE Geometry Formulas
GRE - Math Book
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Free Materials for the GRE General Exam - Where to get it!!
GRE Geometry Formulas
GRE - Math Book
Re: Of a cylinder, the base radius is increased by 10 percent and the heig
[#permalink]
14 Nov 2023, 03:12
14 Nov 2023, 03:12
1
The answer is (A).
Volume = pie * r^2 * h
New volume = pie * (1.1r)^2 * 1.2h
= pie * 1.21r^2 * 1.2h
= pie * r^2 * h * 1.452
--> increase of (1.452 - 1 = 0.452) or 45.2%
Volume = pie * r^2 * h
New volume = pie * (1.1r)^2 * 1.2h
= pie * 1.21r^2 * 1.2h
= pie * r^2 * h * 1.452
--> increase of (1.452 - 1 = 0.452) or 45.2%
Re: Of a cylinder, the base radius is increased by 10 percent and the heig
[#permalink]
05 Dec 2024, 11:14
05 Dec 2024, 11:14
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