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# C is a circle with radius 3

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C is a circle with radius 3 [#permalink]  26 Aug 2018, 02:56
Expert's post
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Question Stats:

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C is a circle with radius 3

 Quantity A Quantity B The ratio of the circumference of C to the diameter of C 3

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.

Kudos for R.A.E
[Reveal] Spoiler: OA

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Director
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WE: Engineering (Energy and Utilities)
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Re: C is a circle with radius 3 [#permalink]  26 Aug 2018, 05:43
Carcass wrote:
C is a circle with radius 3

 Quantity A Quantity B The ratio of the circumference of C to the diameter of C 3

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.

Kudos for R.A.E

Circumference of the circle $$C =2 *\pi * radius = 6\pi$$

Diameter of circle $$C = 2 * radius = 6$$

QTY A = $$\frac{{6\pi}}{6}= \pi = \frac{22}{7}$$= greater than 3

Hence QTY A > QTY B
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Re: C is a circle with radius 3 [#permalink]  28 Aug 2018, 11:46
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Expert's post
Carcass wrote:
C is a circle with radius 3

 Quantity A Quantity B The ratio of the circumference of C to the diameter of C 3

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.

Nice question!
The best part is that the circle's radius is irrelevant here, since circumference/diameter = π for every circle in the universe.
So, we get:
Quantity A: π
Quantity B: 3

Answer: A

Cheers,
Brent
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Brent Hanneson – Creator of greenlighttestprep.com

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Director
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Re: C is a circle with radius 3 [#permalink]  18 Jan 2019, 19:42
A= pi= 3.14

Answer A
Director
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Re: C is a circle with radius 3 [#permalink]  18 Jan 2019, 19:44
GreenlightTestPrep wrote:

Nice question!

true, Takes time if goes for calculation
Re: C is a circle with radius 3   [#permalink] 18 Jan 2019, 19:44
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# C is a circle with radius 3

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