Practice focused topic-wise MCQs with answers and explanations for quick revision and exam preparation.
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Showing 251-260 of 600 questions.
What is the decimal form of \( \frac{17}{200} \)?
A. (0.085)
\( \frac{17}{200}=\frac{85}{1000}=0.085 \) है। हर को (10) की घात में बदलकर दशमलव निकालें। / \( \frac{17}{200}=\frac{85}{1000}=0.085 \). Convert the denominator into a power of (10) to find the decimal.
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Which is the decimal form of \( \frac{31}{400} \)?
B. (0.0775)
\(400\times25=10000\), इसलिए \( \frac{31}{400}=\frac{775}{10000}=0.0775 \) है। हर को (10) की घात बनाना उपयोगी है। / \(400\times25=10000\), so \( \frac{31}{400}=\frac{775}{10000}=0.0775 \). Making the denominator a power of (10) is useful.
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What is obtained when (0.21875) is converted into a simplified fraction?
C. \( \frac{7}{32} \)
\(0.21875=\frac{21875}{100000}=\frac{7}{32}\) है। दशमलव को भिन्न में बदलकर सबसे सरल रूप तक घटाएं। / \(0.21875=\frac{21875}{100000}=\frac{7}{32}\). Convert the decimal to a fraction and reduce it to simplest form.
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What is obtained when (1.0625) is converted into an improper fraction?
D. \( \frac{17}{16} \)
\(1.0625=\frac{10625}{10000}=\frac{17}{16}\) है। अनुचित भिन्न में बदलते समय अंतिम उत्तर सरल रखें। / \(1.0625=\frac{10625}{10000}=\frac{17}{16}\). Keep the final improper fraction in simplest form.
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Which is the expanded form of (6.3042)?
A. \(6+\frac{3}{10}+\frac{4}{1000}+\frac{2}{10000}\)
(3) दसवें, (4) हजारवें और (2) दस हजारवें स्थान पर है। शून्य वाले स्थान का मान लिखना आवश्यक नहीं होता। / (3) is in tenths, (4) is in thousandths, and (2) is in ten-thousandths. A zero place need not be written in expansion.
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What is the place value of (9) in (0.50709)?
C. \( \frac{9}{100000} \)
(9) दशमलव के बाद पांचवें स्थान पर है। पांचवां दशमलव स्थान लाखवां होता है। / (9) is in the fifth place after the decimal point. The fifth decimal place is hundred-thousandths.
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What is the recurring part in \(0.23131313\ldots\)?
D. (13)
पहले (23) के बाद (13) का समूह बार-बार दोहरता है। आवर्ती भाग सबसे छोटा दोहराने वाला समूह होता है। / After the first (23), the block (13) repeats again and again. The recurring part is the smallest repeating block.
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Which is the correct bar notation of \(3.0454545\ldots\)?
A. \(3.0\overline{45}\)
दशमलव में पहले (0) के बाद (45) दोहरता है। बार केवल आवर्ती भाग पर लगाना चाहिए। / After the first (0) in the decimal part, (45) repeats. The bar should be placed only over the recurring part.
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In simplest form, what type of decimal expansion will \( \frac{19}{96} \) have?
B. असांत आवर्तीNon-terminating recurring
\(96=2^5\times3\) में (3) भी है। इसलिए यह परिमेय संख्या असांत आवर्ती दशमलव देगी। / \(96=2^5\times3\) also has (3). So this rational number will give a non-terminating recurring decimal.
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In simplest form, what type of decimal expansion will \( \frac{27}{320} \) have?
C. सांतTerminating
\(320=2^6\times5\) है, इसलिए हर में केवल (2) और (5) हैं। ऐसा हर सांत दशमलव देता है। / \(320=2^6\times5\), so the denominator has only (2) and (5). Such a denominator gives a terminating decimal.
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