Multiple choice question II — task. Mathematics State Board, Class 9.

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1. Which one of the following, regarding sum of two irrational numbers, is true?

always an irrational number
always a rational number
may be a rational or irrational number
always an integer.

2. Which one of the following is an irrational number?

\(\sqrt{25}\)
$\frac{7}{11}$
$\sqrt{\frac{9}{4}}$
\(\pi\)

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