Practice focused topic-wise MCQs with answers and explanations for quick revision and exam preparation.
Difficulty select karke sirf is topic ke focused MCQs practice karein. Score, timer aur explanations student-friendly flow me milenge.
Showing 101-110 of 649 questions.
Which number is not a rational number?
A. \(\sqrt{34}\)
\(\sqrt{34}\) को \(\frac{p}{q}\) रूप में नहीं लिखा जा सकता। बाकी विकल्प परिमेय हैं। / \(\sqrt{34}\) cannot be written in \(\frac{p}{q}\) form. The other options are rational.
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What type of number is (0.875)?
A. परिमेय संख्याRational number
(0.875) सांत दशमलव है इसलिए परिमेय है। सांत दशमलव को भिन्न में लिखा जा सकता है। / (0.875) is a terminating decimal so it is rational. A terminating decimal can be written as a fraction.
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What type of number is the value of \(\sqrt{144}\)?
A. परिमेय संख्याRational number
\(\sqrt{144}=12\) है और (12) परिमेय है। पूर्ण वर्ग की वर्गमूल परिमेय होती है। / \(\sqrt{144}=12\) and (12) is rational. The square root of a perfect square is rational.
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Which statement is correct about \(\sqrt{43}\)?
A. यह अपरिमेय हैIt is irrational
(43) पूर्ण वर्ग नहीं है इसलिए \(\sqrt{43}\) अपरिमेय है। पूर्ण वर्ग न होने पर जड़ पर ध्यान दें। / (43) is not a perfect square so \(\sqrt{43}\) is irrational. Watch the root when the number is not a perfect square.
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What type of number is \(-\sqrt{13}\)?
A. अपरिमेय वास्तविक संख्याIrrational real number
\(\sqrt{13}\) अपरिमेय है और उसका ऋण भी अपरिमेय है। ऋण चिह्न वास्तविकता को नहीं बदलता। / \(\sqrt{13}\) is irrational and its negative is also irrational. The negative sign does not change realness.
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Which option is the simplified form of \(\sqrt{72}\)?
A. \(6\sqrt{2}\)
\(\sqrt{72}=\sqrt{36\times2}=6\sqrt{2}\) है। जड़ के अंदर बड़ा पूर्ण वर्ग खोजें। / \(\sqrt{72}=\sqrt{36\times2}=6\sqrt{2}\). Find the large perfect square inside the root.
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Which option is the correct simplified form of \(\sqrt{108}\)?
A. \(6\sqrt{3}\)
\(\sqrt{108}=\sqrt{36\times3}=6\sqrt{3}\) है। पूर्ण वर्ग बाहर निकालने से जड़ सरल होती है। / \(\sqrt{108}=\sqrt{36\times3}=6\sqrt{3}\). Taking out the perfect square simplifies the root.
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What is the simplified form of \(\sqrt{63}+\sqrt{28}\)?
A. \(5\sqrt{7}\)
\(\sqrt{63}=3\sqrt{7}\) और \(\sqrt{28}=2\sqrt{7}\) है। समान पद जोड़ने पर \(5\sqrt{7}\) मिलता है। / \(\sqrt{63}=3\sqrt{7}\) and \(\sqrt{28}=2\sqrt{7}\). Adding like terms gives \(5\sqrt{7}\).
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What is the value of \(\sqrt{98}-\sqrt{50}\)?
A. \(2\sqrt{2}\)
\(\sqrt{98}=7\sqrt{2}\) और \(\sqrt{50}=5\sqrt{2}\) है। अंतर \(2\sqrt{2}\) होगा। / \(\sqrt{98}=7\sqrt{2}\) and \(\sqrt{50}=5\sqrt{2}\). Their difference is \(2\sqrt{2}\).
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What is the value of \(\sqrt{5}\times\sqrt{45}\)?
A. (15)
\(\sqrt{5}\times\sqrt{45}=\sqrt{225}=15\) है। दो अपरिमेय संख्याओं का गुणनफल परिमेय हो सकता है। / \(\sqrt{5}\times\sqrt{45}=\sqrt{225}=15\). The product of two irrational numbers can be rational.
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