Answer the following — task. Mathematics CBSE, Class 9 New.

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Choose the correct answer.

1. The decimal expansion of the number \(\sqrt{2}\) is

a finite decimal
1.41421
non-terminating and recurring
non-terminating and non-recurring

2. Which of the following is irrational?

$\sqrt{169}$
$\frac{\sqrt{12}}{\sqrt{3}}$
$\sqrt{15}$
$\sqrt{\frac{16}{25}}$

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