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 271-280 of 600 questions.
What is the value of \( \frac{\sqrt{392}}{\sqrt{2}}+\sqrt{25} \)?
A. (19)
\( \frac{\sqrt{392}}{\sqrt{2}}=\sqrt{196}=14 \) और \( \sqrt{25}=5 \)। कुल मान (19) है। / \( \frac{\sqrt{392}}{\sqrt{2}}=\sqrt{196}=14 \) and \( \sqrt{25}=5 \). The total value is (19).
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What is the value of \( \sqrt{3.24}+\sqrt{0.49} \)?
A. (2.5)
\( \sqrt{3.24}=1.8 \) और \( \sqrt{0.49}=0.7 \) है। योग (2.5) होगा। / \( \sqrt{3.24}=1.8 \) and \( \sqrt{0.49}=0.7 \). The sum is (2.5).
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What is the value of \( \sqrt{6.25}-\sqrt{0.64} \)?
A. (1.7)
\( \sqrt{6.25}=2.5 \) और \( \sqrt{0.64}=0.8 \) है। अंतर (1.7) है। / \( \sqrt{6.25}=2.5 \) and \( \sqrt{0.64}=0.8 \). The difference is (1.7).
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What is the value of \( \sqrt{\frac{25}{49}}+\sqrt{\frac{16}{81}} \)?
A. \( \frac{73}{63} \)
पहला पद \( \frac{5}{7} \) और दूसरा \( \frac{4}{9} \) है। योग \( \frac{45}{63}+\frac{28}{63}=\frac{73}{63} \) है। / The first term is \( \frac{5}{7} \) and the second is \( \frac{4}{9} \). The sum is \( \frac{45}{63}+\frac{28}{63}=\frac{73}{63} \).
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What is the value of \( \sqrt{\frac{100}{169}}-\sqrt{\frac{9}{64}} \)?
A. \( \frac{41}{104} \)
\( \sqrt{\frac{100}{169}}=\frac{10}{13} \) और \( \sqrt{\frac{9}{64}}=\frac{3}{8} \) है। अंतर \( \frac{80}{104}-\frac{39}{104}=\frac{41}{104} \) है। / \( \sqrt{\frac{100}{169}}=\frac{10}{13} \) and \( \sqrt{\frac{9}{64}}=\frac{3}{8} \). The difference is \( \frac{80}{104}-\frac{39}{104}=\frac{41}{104} \).
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Which option is an irrational number between (6) and (7)?
B. \( \sqrt{43} \)
\(6^2<43<7^2\) इसलिए \( \sqrt{43} \) (6) और (7) के बीच है। (43) पूर्ण वर्ग नहीं है इसलिए यह अपरिमेय है। / Since \(6^2<43<7^2\), \( \sqrt{43} \) lies between (6) and (7). Since (43) is not a perfect square, it is irrational.
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Which is greater between \( \sqrt{63} \) and (8)?
B. (8)
\( \sqrt{63}<\sqrt{64}=8 \) है। इसलिए (8) बड़ा है।
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Between which two integers does \( \sqrt{101} \) lie?
C. (10) और (11)(10) and (11)
\(10^2=100\) और \(11^2=121\) है इसलिए \( \sqrt{101} \) (10) और (11) के बीच है। निकट पूर्ण वर्गों की तुलना करें। / \(10^2=100\) and \(11^2=121\), so \( \sqrt{101} \) lies between (10) and (11). Compare nearby perfect squares.
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Between which two integers will \( \sqrt{130} \) lie?
C. (11) और (12)(11) and (12)
\(11^2=121\) और \(12^2=144\) है इसलिए \( \sqrt{130} \) (11) और (12) के बीच है। सीमा वर्ग करके जाँचें। / \(11^2=121\) and \(12^2=144\), so \( \sqrt{130} \) lies between (11) and (12). Check the range by squaring.
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Which is greater between \( -\sqrt{65} \) and ( -8.1 )?
B. ( -8.1 )
\( \sqrt{65}\approx8.06 \) इसलिए \( -\sqrt{65}\approx-8.06 \)। ( -8.06 ) ( -8.1 ) से बड़ा होता है। / \( \sqrt{65}\approx8.06 \), so \( -\sqrt{65}\approx-8.06 \). ( -8.06 ) is greater than ( -8.1 ).
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