Practice Test Discussion

$\sqrt{8^{2} \times 7 \times {(5)}^{2} - 175} =?$

[UBI (PO), 2001]

105

115

125

None of these

Explanation

$\begin{array}{l} Here, \\ \Rightarrow \sqrt{8^{2} \times 7 \times {(5)}^{2} - 175} =? \\ \Rightarrow \sqrt{11200 - 175} = \sqrt{11025} = 105 \end{array}$

Hence, Option A is correct.

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