Level 17 • 3/50 questions • 40 seconds per question.
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Which of these square roots is irrational?
C. \(\sqrt{10}\)
(10) पूर्ण वर्ग नहीं है इसलिए \(\sqrt{10}\) अपरिमेय है। पूर्ण वर्गों की सूची याद रखना उपयोगी है। / (10) is not a perfect square so \(\sqrt{10}\) is irrational. Remembering perfect squares is useful.
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Which of these square roots is rational?
B. \(\sqrt{49}\)
\(\sqrt{49}=7\) इसलिए यह परिमेय है। पूर्ण वर्ग का वर्गमूल हमेशा परिमेय पूर्णांक होता है। / \(\sqrt{49}=7\) so it is rational. The square root of a perfect square is a rational integer.
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Which part causes irrationality in \(4\sqrt{3}\)?
B. \(\sqrt{3}\)
\(\sqrt{3}\) अपरिमेय है इसलिए \(4\sqrt{3}\) अपरिमेय है। शून्येतर परिमेय गुणक प्रकार नहीं बदलता। / \(\sqrt{3}\) is irrational so \(4\sqrt{3}\) is irrational. A non-zero rational multiplier does not change the type.
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