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 71-80 of 600 questions.
What is the value of \( -\sqrt{9} \)?
B. ( -3 )
\( \sqrt{9}=3 \) है इसलिए \( -\sqrt{9}=-3 \)। बाहर का ऋण चिह्न अंत में लगाएँ। / \( \sqrt{9}=3 \), so \( -\sqrt{9}=-3 \). Apply the outside negative sign at the end.
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What is the value of ( | -12 | )?
C. (12)
निरपेक्ष मान संख्या की (0) से दूरी बताता है। इसलिए ( | -12 |=12 )। / Absolute value shows the distance of a number from (0). Therefore ( | -12 |=12 ).
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What is the value of ( |4-9| )?
B. (5)
(4-9=-5) और ( |-5|=5 )। निरपेक्ष मान हमेशा दूरी देता है। / (4-9=-5) and ( |-5|=5 ). Absolute value always gives distance.
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Where is the real number ( -0.6 ) on the number line?
B. ( -1 ) और (0) के बीचBetween ( -1 ) and (0)
( -0.6 ) शून्य से बाईं ओर और ( -1 ) से दाईं ओर है। इसलिए यह ( -1 ) और (0) के बीच है। / ( -0.6 ) is left of zero and right of ( -1 ). So it lies between ( -1 ) and (0).
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What is obtained by converting (1.25) into a fraction?
A. \( \frac{5}{4} \)
\(1.25=\frac{125}{100}=\frac{5}{4} \)। समाप्त दशमलव को (10) की घात वाले हर से लिखें। / \(1.25=\frac{125}{100}=\frac{5}{4} \). Write terminating decimals using denominators that are powers of (10).
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Which fraction is equal to (2.75)?
A. \( \frac{11}{4} \)
\(2.75=\frac{275}{100}=\frac{11}{4} \)। दशमलव को भिन्न में बदलकर सरल करें। / \(2.75=\frac{275}{100}=\frac{11}{4} \). Convert the decimal into a fraction and simplify.
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What is the decimal form of \( \frac{7}{8} \)?
A. (0.875)
(7) को (8) से भाग देने पर (0.875) मिलता है। भाग विधि से दशमलव रूप निकालें। / Dividing (7) by (8) gives (0.875). Use division to find decimal form.
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What is the decimal form of \( \frac{9}{4} \)?
A. (2.25)
\(9\div4=2.25\) होता है। हर (4) वाले भिन्न अक्सर समाप्त दशमलव देते हैं। / \(9\div4=2.25\). Fractions with denominator (4) often give terminating decimals.
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What type of number is \(0.\overline{12}\)?
B. परिमेय वास्तविक संख्याRational real number
\(0.\overline{12}\) आवर्ती दशमलव है इसलिए यह परिमेय है। हर परिमेय संख्या वास्तविक भी होती है। / \(0.\overline{12}\) is a repeating decimal, so it is rational. Every rational number is also real.
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Which option contains only irrational real numbers?
A. \( \sqrt{2} \) और \( \sqrt{8} \)\( \sqrt{2} \) and \( \sqrt{8} \)
\( \sqrt{2} \) और \( \sqrt{8}=2\sqrt{2} \) दोनों अपरिमेय हैं। पूर्ण वर्ग के वर्गमूल परिमेय हो सकते हैं। / \( \sqrt{2} \) and \( \sqrt{8}=2\sqrt{2} \) are both irrational. Square roots of perfect squares can be rational.
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