√(11881) × √(?)=10137 · ABC26GN1342
Subject: General Aptitude · Chapter: Square Roots and Cube Roots · Exam: Bank Recruitment 2008
$\sqrt{11881} \times \sqrt{?}=10137$
(a)8281
(b)8649
(c)9216
(d)9409
(e)None of these
Answer
Explanation
Let $\sqrt{11881} \times \sqrt{x}=10137$. Then, $109 \times \sqrt{x}=10137$ $$\begin{aligned} & \Leftrightarrow \quad \sqrt{x}=\frac{10137}{109}=93 \\ & \Leftrightarrow \quad x=(93)^{2}=8649 . \end{aligned}$$
Explanation as extracted from the printed page; notation may be imperfect.
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