Exams › SSC CGL (Prelims) › General

What is the value of \(\sqrt{8281} - \sqrt{2401}\)?

1. 32
2. 42
3. 52
4. 62

Correct answer: 42

Solution

\(8281 = 91^2\), so \(\sqrt{8281}=91\). Also, \(2401 = 49^2\), so \(\sqrt{2401}=49\). Therefore, the value is \(91-49=42\).

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