$$\sqrt {11881} \times \sqrt ? = 10137$$
A. 8281
B. 8649
C. 9216
D. 9409
E. None of these
Answer: Option B
Solution (By Examveda Team)
$$\eqalign{ & {\text{Let}}, \cr & \sqrt {11881} \times \sqrt x = 10137 \cr & {\text{Then}}, \cr & 109 \times \sqrt x = 10137 \cr & \Leftrightarrow \sqrt x = \frac{{10137}}{{109}} = 93 \cr & \Leftrightarrow x = {\left( {93} \right)^2} \cr & \Leftrightarrow x = 8649 \cr} $$This Question Belongs to Arithmetic Ability >> Square Root And Cube Root
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