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UPSKILL MATH PLUS

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Subjects
Mathematics State Board
Class 9
Real Numbers
Surds and its Basic Operations and Scientific Notation

1. Multiple choice questions I

Exercise condition:

3 m.

1. Find the odd one out of the following.

$\sqrt{72} \times \sqrt{8}$
$\frac{\sqrt{54}}{\sqrt{18}}$
$\frac{\sqrt{27}}{\sqrt{3}}$
$\sqrt{32} \times \sqrt{2}$

2. Which of the following statement is false?

\(-\sqrt{25} = -5\)
The square root of \(25\) is \(5\) of \(-5\)
\(\sqrt{25} = \pm 5\)
\(\sqrt{25} = 5\)

3. \(\sqrt{27} + \sqrt{12} =\)

\(5 \sqrt{6}\)
\(3 \sqrt{5}\)
\(5 \sqrt{3}\)
\(\sqrt{39}\)

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