CBSE Class 9 Maths Number Systems Quiz 1

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CBSE › Class 9 › Maths › Number Systems

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1. The value of \(\sqrt[4]{\sqrt[3]{2^{2}}}\) is equal to

A 2^{-\(\frac{1}{6}\)} B 2^-6 C 2^{\(\frac{1}{6}\)} D 2⁶

2. Find the value of \(\sqrt[3]{\frac{54}{250}}\)

A \(\frac{9}{25}\) B \(\frac{3}{5}\) C \(\frac{27}{125}\) D \(\frac{\sqrt[3]2}{5}\)

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

A 16 B 4 C 1 D 0

4. Find the value of \(\sqrt[4]{64^{-2}}\).

A \(\frac{1}{8}\) B \(\frac{1}{2}\) C 8 D \(\frac{1}{64}\)

5. Find the value of \(\sqrt[3]{216}\) - \(\sqrt[3]{125}\)

A 1 B -1 C \(\sqrt[3]{91}\) D \(\frac{6}{5}\)

6. When 15\(\sqrt{15}\) is divided by 3√3 find the quotient.

A 5√3 B 3√5 C 5√5 D 3√3

7. If √3 = 1.732 and √2 = 1.414, find the value of \(\frac{1}{√3-√2}\)

A 0.318 B 3.146 C \(\frac{1}{3.146}\) D \(\sqrt{1.732}\) - \(\sqrt{1.414}\)

8. Which of the following numbers is an irrational number?

A \(\sqrt{16}\) - 4 B (3 - √3) (3 + √3) C √5 + 3 D -\(\sqrt{25}\)

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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