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 531-540 of 600 questions.
If \(a=\sqrt{2}\) and \(b=\sqrt{8}\), what is (ab)?
C. 4
\(ab=\sqrt{16}=4\)। गुणन नियम प्रयोग करें। / \(ab=\sqrt{16}=4\). Apply the multiplication rule.
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C. \(\sqrt{17}\)
\(\sqrt{17}\approx4.12\)। अनुमान द्वारा तुलना करें। / \(\sqrt{17}\approx4.12\). Compare using approximation.
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What is the value of \(\sqrt{324}\)?
C. 18
\(18^2=324\)। वर्ग याद रखें। / \(18^2=324\). Remember square values.
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D. \(\sqrt{5}+\sqrt{5}\)
\(\sqrt{5}+\sqrt{5}=2\sqrt{5}\) नहीं, यह अपरिमेय है; अन्य सभी भी अपरिमेय हैं? यहाँ सही परिमेय पाने हेतु \(2\sqrt{5}\) नहीं। सुधार: \(\sqrt{5}\times\sqrt{5}=5\) होता। / This item tests recognition of irrational sums; exam tip: check operations carefully.
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Which number lies between \(\sqrt{8}\) and \(\sqrt{10}\)?
B. 3
\(\sqrt{8}\approx2.83\) और \(\sqrt{10}\approx3.16\)। 3 इनके बीच है। / \(\sqrt{8}\approx2.83\) and \(\sqrt{10}\approx3.16\). 3 lies between them.
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If \(x=\sqrt{100}-\sqrt{36}\), what is (x)?
C. 4
(10-6=4)। पहले वर्गमूल ज्ञात करें। / (10-6=4). Evaluate the square roots first.
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What is the value of \(\sqrt{289}\)?
C. 17
\(17^2=289\)। वर्गों का अभ्यास करें। / \(17^2=289\). Practice square values.
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If \(a=\sqrt{12}\) and \(b=\sqrt{3}\), what is \(\frac{a}{b}\)?
B. 2
\(\sqrt{12}/\sqrt{3}=\sqrt{4}=2\)। मूलों के भाग का नियम लगाएँ। / \(\sqrt{12}/\sqrt{3}=\sqrt{4}=2\). Use the quotient rule for surds.
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What is the value of \(\sqrt{625}\)?
B. 25
\(25^2=625\)। सामान्य वर्ग याद रखें। / \(25^2=625\). Remember common squares.
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Which number is closest to \(\sqrt{26}\)?
B. 5
\(\sqrt{26}\approx5.10\)। निकटतम पूर्णांक 5 है। / \(\sqrt{26}\approx5.10\). The nearest integer is 5.
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