GRE Question of the Day (January 10)

By - Jan 10, 02:00 AM Comments [0]

Math

[m]A=[fraction]PId^2/x[/fraction][/m]

If the formula above gives the area A of a circular region in terms of its diameter d, then x=

(A) [m][fraction]1/4[/fraction][/m]

(B) [m][fraction]1/2[/fraction][/m]

(C) 1

(D) 2

(E) 4

Question Discussion & Explanation
Correct Answer – E – (click and drag your mouse to see the answer)

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