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by sanju09 » Thu Aug 26, 2010 1:24 am
Is the radius of circle with center O a whole number?

(1) The circumference of the circle is 16 X 22/7.
(2) The ratio of the circumference of the circle to the area of the circle is 1/4.

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by aloneontheedge » Thu Aug 26, 2010 1:31 am
sanju09 wrote:Is the radius of circle with center O a whole number?

(1) The circumference of the circle is 16 X 22/7.
(2) The ratio of the circumference of the circle to the area of the circle is 1/4.

[spoiler]Source: Crack-GMAT
www.crack-GMAT.com[/spoiler]
IMO D

stmtnt 1: 2(pi)r = 16*22/7
r = 8

stmnt 2: 2(pi)r/pi*r^2 = 1/4
r = 8
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