CBSE Class 9 Maths Number Systems Quiz 1

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CBSE / Class 9 / Maths / Number Systems

1.

The value of $\sqrt[4]{\sqrt[3]{2^{2}}}$ is equal to
2^{- $\frac{1}{6}$}
2^-6
2^{$\frac{1}{6}$}
2⁶

2.

Find the value of $\sqrt[3]{\frac{54}{250}}$
$\frac{9}{25}$
$\frac{3}{5}$
$\frac{27}{125}$
$\frac{\sqrt[3]2}{5}$

3.

Simplified value of (16)^{- $\frac{1}{4}$} × $\sqrt[4]{16}$ is
16
4
1
0

4.

Find the value of $\sqrt[4]{64^{-2}}$ .
$\frac{1}{8}$
$\frac{1}{2}$
8
$\frac{1}{64}$

5.

Find the value of $\sqrt[3]{216}$ - $\sqrt[3]{125}$
1
-1
$\sqrt[3]{91}$
$\frac{6}{5}$

6.

When 15 $\sqrt{15}$ is divided by 3√3 find the quotient.
5√3
3√5
5√5
3√3

7.

If √3 = 1.732 and √2 = 1.414, find the value of $\frac{1}{√3-√2}$
0.318
3.146
$\frac{1}{3.146}$
$\sqrt{1.732}$ - $\sqrt{1.414}$

8.

Which of the following numbers is an irrational number?
$\sqrt{16}$ - 4
(3 - √3) (3 + √3)
√5 + 3
- $\sqrt{25}$

9.

The decimal expansion of √2 is
finite decimal
1.4121
non-terminating recurring
non-terminating non-recurring

10.

If x = $\frac{√7}{5}$ and $\frac{5}{x}$ = p√7, then the value of p is
$\frac{5}{√7}$
$\frac{25}{7}$
\(\frac{7}{25}\ )
$\frac{√7}{5}$

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