GRE Question of the Day (January 10)

Math

\({A=\frac{{PId^2}}{{x}}}\)

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

(A) \({\frac{{1}}{{4}}}\)

(B) \({\frac{{1}}{{2}}}\)

(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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