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The area of a circle with radius a is less than the area of a square

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Posts: 60687
The area of a circle with radius a is less than the area of a square  [#permalink]

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New post 10 Dec 2019, 01:55
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A
B
C
D
E

Difficulty:

  55% (hard)

Question Stats:

50% (02:20) correct 50% (02:20) wrong based on 22 sessions

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Joined: 16 Feb 2015
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Re: The area of a circle with radius a is less than the area of a square  [#permalink]

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New post 10 Dec 2019, 04:14
1
Bunuel wrote:
The area of a circle with radius \(a\) is less than the area of a square with sides of length \(ka\). Which of the following could be the value of k?

I. \(\frac{5}{3}\)

II. \(\frac{6}{3}\)

III. \(\frac{7}{3}\)

A. I only
B. II only
C. III only
D. II and III only
E. I, II, and III


Explanation:
K^2 > 3.14
As Area of a circle is (3.14)*a^2
Area of Square: K^2 x a^2
Given the area of square is more than the area of a circle
Only with Option II & III are possible.
In Option I, It is less than the value of 3.14

IMO D
GMAT Club Bot
Re: The area of a circle with radius a is less than the area of a square   [#permalink] 10 Dec 2019, 04:14
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The area of a circle with radius a is less than the area of a square

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