Free GMAT Practice Question

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ID: GMAT-PSQ-010
Section: Quantitative Reasoning - Problem Solving
Topic: Quadratic equation
Difficulty level: Medium

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If $p$ and $q\ \left(p>q\right)$ are the roots of $x^2-x-12=0$, the roots of the equation $x^2-50x+49=0$ are

A$2p$ and $3q$
B$p^2$ and $q^2$
C$\left(p+q\right)$ and $\left(p-q\right)$
D${\left(p+q\right)}^2$ and ${\left(p-q\right)}^2$
E$\left(p^2+q^2\right)$ and $\left(p^2-q^2\right)$
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