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Class 9 Mathematics - Number Systems - Decimal representation Hard Quiz

Level 11 • 50/50 questions • 30 seconds per question.

Level readiness 50/50 Questions
Time Left 25:00 30 sec/question
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Question 1 / 50 0 score
Answered 0/50 Correct 0 Time 25:00

भिन्न \( \frac{57}{640} \) का दशमलव रूप क्या है?

What is the decimal form of \( \frac{57}{640} \)?

Explanation opens after your attempt
Correct Answer

A. (0.0890625)

Step 1

Concept

\(640\times15625=10000000\), so \( \frac{57}{640}=0.0890625 \). Convert the denominator into a power of (10) to find the decimal.

Step 2

Why this answer is correct

The correct answer is A. (0.0890625). \(640\times15625=10000000\), so \( \frac{57}{640}=0.0890625 \). Convert the denominator into a power of (10) to find the decimal.

Step 3

Exam Tip

\(640\times15625=10000000\), इसलिए \( \frac{57}{640}=0.0890625 \) है। हर को (10) की घात बनाकर दशमलव निकालें।

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दशमलव (0.0003125) को सरल भिन्न में बदलने पर क्या मिलेगा?

What is obtained when (0.0003125) is converted into a simplified fraction?

Explanation opens after your attempt
Correct Answer

B. \( \frac{1}{3200} \)

Step 1

Concept

\(0.0003125=\frac{3125}{10000000}=\frac{1}{3200}\). Count decimal places and simplify the fraction.

Step 2

Why this answer is correct

The correct answer is B. \( \frac{1}{3200} \). \(0.0003125=\frac{3125}{10000000}=\frac{1}{3200}\). Count decimal places and simplify the fraction.

Step 3

Exam Tip

\(0.0003125=\frac{3125}{10000000}=\frac{1}{3200}\) है। दशमलव स्थान गिनकर भिन्न को सरल करें।

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यदि \( \frac{p}{q} \) सरल रूप में है और \(q=2^3\times5^4\times11\), तो दशमलव प्रसार कैसा होगा?

If \( \frac{p}{q} \) is in simplest form and \(q=2^3\times5^4\times11\), what type of decimal expansion will it have?

Explanation opens after your attempt
Correct Answer

C. असांत आवर्तीNon-terminating recurring

Step 1

Concept

The denominator has (11), a factor other than (2) and (5). So the rational number will have a non-terminating recurring decimal.

Step 2

Why this answer is correct

The correct answer is C. असांत आवर्ती / Non-terminating recurring. The denominator has (11), a factor other than (2) and (5). So the rational number will have a non-terminating recurring decimal.

Step 3

Exam Tip

हर में (11) है जो (2) और (5) के अलावा गुणनखंड है। इसलिए परिमेय संख्या का दशमलव असांत आवर्ती होगा।

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भिन्न \( \frac{84}{210} \) को सरल करने के बाद उसका दशमलव प्रसार कैसा होगा?

After simplifying \( \frac{84}{210} \), what type of decimal expansion will it have?

Explanation opens after your attempt
Correct Answer

B. सांतTerminating

Step 1

Concept

\( \frac{84}{210}=\frac{2}{5} \), and the denominator has only (5). Therefore, its decimal expansion is terminating.

Step 2

Why this answer is correct

The correct answer is B. सांत / Terminating. \( \frac{84}{210}=\frac{2}{5} \), and the denominator has only (5). Therefore, its decimal expansion is terminating.

Step 3

Exam Tip

\( \frac{84}{210}=\frac{2}{5} \) और हर में केवल (5) है। इसलिए इसका दशमलव प्रसार सांत होगा।

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दशमलव \(0.250606060\ldots\) का सही बार संकेतन कौन-सा है?

Which is the correct bar notation of \(0.250606060\ldots\)?

Explanation opens after your attempt
Correct Answer

B. \(0.25\overline{06}\)

Step 1

Concept

After the first (25), the block (06) repeats. Put the bar only over the repeating part.

Step 2

Why this answer is correct

The correct answer is B. \(0.25\overline{06}\). After the first (25), the block (06) repeats. Put the bar only over the repeating part.

Step 3

Exam Tip

पहले (25) के बाद (06) का समूह दोहरता है। बार केवल दोहराने वाले भाग पर लगाएं।

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\(0.41\overline{25}\) को सामान्य दशमलव रूप में कैसे लिखेंगे?

How is \(0.41\overline{25}\) written in ordinary decimal form?

Explanation opens after your attempt
Correct Answer

A. \(0.41252525\ldots\)

Step 1

Concept

The bar is only over (25), so after (41), (25) repeats. Repeat the barred part continuously.

Step 2

Why this answer is correct

The correct answer is A. \(0.41252525\ldots\). The bar is only over (25), so after (41), (25) repeats. Repeat the barred part continuously.

Step 3

Exam Tip

बार केवल (25) पर है, इसलिए (41) के बाद (25) बार-बार आएगा। बार वाले भाग को लगातार दोहराएं।

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भिन्न \( \frac{19}{26} \) का दशमलव प्रसार कौन-सा है?

Which is the decimal expansion of \( \frac{19}{26} \)?

Explanation opens after your attempt
Correct Answer

B. \(0.730769230769\ldots\)

Step 1

Concept

\(19\div26=0.730769230769\ldots\). In long division, the recurring part appears when a remainder repeats.

Step 2

Why this answer is correct

The correct answer is B. \(0.730769230769\ldots\). \(19\div26=0.730769230769\ldots\). In long division, the recurring part appears when a remainder repeats.

Step 3

Exam Tip

\(19\div26=0.730769230769\ldots\) होता है। लंबी भाग विधि में शेष दोहरने पर आवर्ती भाग मिलता है।

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(0.5834), \( \frac{7}{12} \), \(0.58\overline{3}\) में सबसे बड़ी संख्या कौन-सी है?

Among (0.5834), \( \frac{7}{12} \), and \(0.58\overline{3}\), which is the greatest number?

Explanation opens after your attempt
Correct Answer

C. (0.5834)

Step 1

Concept

\( \frac{7}{12}=0.58333\ldots \), which is slightly less than (0.5834). Think of all numbers in decimal form for comparison.

Step 2

Why this answer is correct

The correct answer is C. (0.5834). \( \frac{7}{12}=0.58333\ldots \), which is slightly less than (0.5834). Think of all numbers in decimal form for comparison.

Step 3

Exam Tip

\( \frac{7}{12}=0.58333\ldots \), जो (0.5834) से थोड़ा छोटा है। तुलना के लिए सभी को दशमलव रूप में सोचें।

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यदि (0.5a9<0.549), तो अंक (a) का सबसे बड़ा मान क्या हो सकता है?

If (0.5a9<0.549), what can be the greatest value of digit (a)?

Explanation opens after your attempt
Correct Answer

B. (3)

Step 1

Concept

The tenths digits are equal and the hundredths digit must satisfy (a<4). So the greatest value is (3).

Step 2

Why this answer is correct

The correct answer is B. (3). The tenths digits are equal and the hundredths digit must satisfy (a<4). So the greatest value is (3).

Step 3

Exam Tip

दसवें स्थान समान हैं और सौवें स्थान पर (a<4) होना चाहिए। इसलिए सबसे बड़ा मान (3) है।

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दशमलव \(6.07007000700007\ldots\) किस प्रकार का है?

What type of decimal is \(6.07007000700007\ldots\)?

Explanation opens after your attempt
Correct Answer

C. असांत अनावर्तीNon-terminating non-recurring

Step 1

Concept

The number of zeros between (7)'s keeps changing, so there is no fixed recurring part. Such a decimal is non-terminating non-recurring.

Step 2

Why this answer is correct

The correct answer is C. असांत अनावर्ती / Non-terminating non-recurring. The number of zeros between (7)'s keeps changing, so there is no fixed recurring part. Such a decimal is non-terminating non-recurring.

Step 3

Exam Tip

इसमें (7) के बीच शून्यों की संख्या बदलती रहती है, इसलिए निश्चित आवर्ती भाग नहीं है। ऐसा दशमलव असांत अनावर्ती है।

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भिन्न \( \frac{13}{128} \) का दशमलव रूप क्या है?

What is the decimal form of \( \frac{13}{128} \)?

Explanation opens after your attempt
Correct Answer

A. (0.1015625)

Step 1

Concept

\(128\times78125=10000000\), so \( \frac{13}{128}=0.1015625 \). A denominator that is a power of (2) gives a terminating decimal.

Step 2

Why this answer is correct

The correct answer is A. (0.1015625). \(128\times78125=10000000\), so \( \frac{13}{128}=0.1015625 \). A denominator that is a power of (2) gives a terminating decimal.

Step 3

Exam Tip

\(128\times78125=10000000\), इसलिए \( \frac{13}{128}=0.1015625 \) है। (2) की घात वाला हर सांत दशमलव देता है।

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दशमलव (0.000875) को सरल भिन्न में बदलने पर क्या मिलेगा?

What is obtained when (0.000875) is converted into a simplified fraction?

Explanation opens after your attempt
Correct Answer

B. \( \frac{7}{800} \)

Step 1

Concept

\(0.000875=\frac{875}{1000000}=\frac{7}{8000}\), not \( \frac{7}{800} \). Count decimal places and simplify carefully.

Step 2

Why this answer is correct

The correct answer is B. \( \frac{7}{800} \). \(0.000875=\frac{875}{1000000}=\frac{7}{8000}\), not \( \frac{7}{800} \). Count decimal places and simplify carefully.

Step 3

Exam Tip

\(0.000875=\frac{875}{1000000}=\frac{7}{8000}\) नहीं बल्कि \(\frac{7}{8000}\) है। दशमलव स्थान और सरलीकरण दोनों ध्यान से करें।

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भिन्न \( \frac{13}{28} \) का दशमलव प्रसार कैसा होगा?

What type of decimal expansion will \( \frac{13}{28} \) have?

Explanation opens after your attempt
Correct Answer

B. असांत आवर्तीNon-terminating recurring

Step 1

Concept

\(28=2^2\times7\) has (7), and the fraction is in simplest form. Therefore, the decimal will be non-terminating recurring.

Step 2

Why this answer is correct

The correct answer is B. असांत आवर्ती / Non-terminating recurring. \(28=2^2\times7\) has (7), and the fraction is in simplest form. Therefore, the decimal will be non-terminating recurring.

Step 3

Exam Tip

\(28=2^2\times7\) में (7) है और भिन्न सरल रूप में है। इसलिए दशमलव असांत आवर्ती होगा।

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दशमलव (3.70007) का विस्तारित रूप कौन-सा है?

Which is the expanded form of (3.70007)?

Explanation opens after your attempt
Correct Answer

A. \(3+\frac{7}{10}+\frac{7}{100000}\)

Step 1

Concept

The first (7) is in tenths and the last (7) is in hundred-thousandths. Zero-value places are not written separately.

Step 2

Why this answer is correct

The correct answer is A. \(3+\frac{7}{10}+\frac{7}{100000}\). The first (7) is in tenths and the last (7) is in hundred-thousandths. Zero-value places are not written separately.

Step 3

Exam Tip

पहला (7) दसवें और अंतिम (7) लाखवें स्थान पर है। शून्य वाले स्थानों का मान अलग से नहीं लिखते।

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\(0.216\div0.0008\) का मान क्या है?

What is the value of \(0.216\div0.0008\)?

Explanation opens after your attempt
Correct Answer

B. (270)

Step 1

Concept

Multiplying both by (10000) gives \(2160\div8=270\). In division, both numbers can be multiplied by the same number.

Step 2

Why this answer is correct

The correct answer is B. (270). Multiplying both by (10000) gives \(2160\div8=270\). In division, both numbers can be multiplied by the same number.

Step 3

Exam Tip

दोनों को (10000) से गुणा करने पर \(2160\div8=270\) मिलता है। भाग में दोनों संख्याओं को समान गुणा कर सकते हैं।

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(5.004-2.0785) का मान क्या है?

What is the value of (5.004-2.0785)?

Explanation opens after your attempt
Correct Answer

A. (2.9255)

Step 1

Concept

(5.004=5.0040), so (5.0040-2.0785=2.9255). Make decimal places equal while subtracting.

Step 2

Why this answer is correct

The correct answer is A. (2.9255). (5.004=5.0040), so (5.0040-2.0785=2.9255). Make decimal places equal while subtracting.

Step 3

Exam Tip

(5.004=5.0040), इसलिए (5.0040-2.0785=2.9255) है। घटाते समय दशमलव स्थान समान करें।

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(0.0625+0.03125+0.000625) का मान क्या है?

What is the value of (0.0625+0.03125+0.000625)?

Explanation opens after your attempt
Correct Answer

A. (0.094375)

Step 1

Concept

Writing equal decimal places gives (0.062500+0.031250+0.000625=0.094375). Align decimal points while adding.

Step 2

Why this answer is correct

The correct answer is A. (0.094375). Writing equal decimal places gives (0.062500+0.031250+0.000625=0.094375). Align decimal points while adding.

Step 3

Exam Tip

समान दशमलव स्थान लिखने पर (0.062500+0.031250+0.000625=0.094375) मिलता है। जोड़ में दशमलव बिंदु सीध में रखें।

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दशमलव \(2.3999\ldots\) किस सांत दशमलव के बराबर है?

The decimal \(2.3999\ldots\) is equal to which terminating decimal?

Explanation opens after your attempt
Correct Answer

B. (2.4)

Step 1

Concept

When (9)'s repeat continuously, the previous digit increases by (1). So \(2.3999\ldots=2.4\).

Step 2

Why this answer is correct

The correct answer is B. (2.4). When (9)'s repeat continuously, the previous digit increases by (1). So \(2.3999\ldots=2.4\).

Step 3

Exam Tip

लगातार (9) आने पर पिछला अंक (1) बढ़ जाता है। इसलिए \(2.3999\ldots=2.4\) है।

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कौन-सा दशमलव \( \frac{13}{25} \) से बड़ा और \( \frac{47}{90} \) से छोटा है?

Which decimal is greater than \( \frac{13}{25} \) and less than \( \frac{47}{90} \)?

Explanation opens after your attempt
Correct Answer

B. (0.521)

Step 1

Concept

\( \frac{13}{25}=0.52 \) and \( \frac{47}{90}=0.5222\ldots \), so (0.521) lies between them. Convert the boundaries into decimals.

Step 2

Why this answer is correct

The correct answer is B. (0.521). \( \frac{13}{25}=0.52 \) and \( \frac{47}{90}=0.5222\ldots \), so (0.521) lies between them. Convert the boundaries into decimals.

Step 3

Exam Tip

\( \frac{13}{25}=0.52 \) और \( \frac{47}{90}=0.5222\ldots \), इसलिए (0.521) बीच में है। सीमाओं को दशमलव में बदलें।

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यदि (0.92b>0.927), तो अंक (b) के कितने मान संभव हैं?

If (0.92b>0.927), how many values of digit (b) are possible?

Explanation opens after your attempt
Correct Answer

A. (2)

Step 1

Concept

At the thousandths place, (b>7) is needed. So (b=8,9), giving (2) possible values.

Step 2

Why this answer is correct

The correct answer is A. (2). At the thousandths place, (b>7) is needed. So (b=8,9), giving (2) possible values.

Step 3

Exam Tip

हजारवें स्थान पर (b>7) होना चाहिए। इसलिए (b=8,9) यानी (2) मान संभव हैं।

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दशमलव \(8.03003000300003\ldots\) किस संख्या-प्रकार को दर्शा सकता है?

The decimal \(8.03003000300003\ldots\) can represent which type of number?

Explanation opens after your attempt
Correct Answer

C. अपरिमेयIrrational

Step 1

Concept

It is non-terminating and has no fixed repetition. Such a decimal can be the form of an irrational number.

Step 2

Why this answer is correct

The correct answer is C. अपरिमेय / Irrational. It is non-terminating and has no fixed repetition. Such a decimal can be the form of an irrational number.

Step 3

Exam Tip

यह असांत है और इसमें निश्चित दोहराव नहीं है। ऐसा दशमलव अपरिमेय संख्या का रूप हो सकता है।

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यदि (10000x=0.5625), तो (x) का मान क्या है?

If (10000x=0.5625), what is the value of (x)?

Explanation opens after your attempt
Correct Answer

C. (0.00005625)

Step 1

Concept

\(x=0.5625\div10000=0.00005625\). On dividing by (10000), the decimal moves four places left.

Step 2

Why this answer is correct

The correct answer is C. (0.00005625). \(x=0.5625\div10000=0.00005625\). On dividing by (10000), the decimal moves four places left.

Step 3

Exam Tip

\(x=0.5625\div10000=0.00005625\) है। (10000) से भाग देने पर दशमलव चार स्थान बाईं ओर जाता है।

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दशमलव (15.00405) में (4) का स्थानीय मान क्या है?

What is the place value of (4) in (15.00405)?

Explanation opens after your attempt
Correct Answer

B. \( \frac{4}{1000} \)

Step 1

Concept

(4) is in the third place after the decimal point. So its place value is \( \frac{4}{1000} \).

Step 2

Why this answer is correct

The correct answer is B. \( \frac{4}{1000} \). (4) is in the third place after the decimal point. So its place value is \( \frac{4}{1000} \).

Step 3

Exam Tip

(4) दशमलव के बाद तीसरे स्थान पर है। इसलिए उसका स्थानीय मान \( \frac{4}{1000} \) है।

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(6.006), (6.0606), (6.0066), (6.600) का बढ़ता क्रम कौन-सा है?

What is the ascending order of (6.006), (6.0606), (6.0066), and (6.600)?

Explanation opens after your attempt
Correct Answer

A. (6.006<6.0066<6.0606<6.600)

Step 1

Concept

(6.006=6.0060), so (6.0066) is slightly greater. Write equal decimal places for comparison.

Step 2

Why this answer is correct

The correct answer is A. (6.006<6.0066<6.0606<6.600). (6.006=6.0060), so (6.0066) is slightly greater. Write equal decimal places for comparison.

Step 3

Exam Tip

(6.006=6.0060), इसलिए (6.0066) उससे थोड़ा बड़ा है। तुलना के लिए समान दशमलव स्थान लिखें।

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भिन्न \( \frac{71}{2500} \) का दशमलव रूप क्या है?

What is the decimal form of \( \frac{71}{2500} \)?

Explanation opens after your attempt
Correct Answer

A. (0.0284)

Step 1

Concept

\(2500\times4=10000\), so \( \frac{71}{2500}=\frac{284}{10000}=0.0284 \). Make the denominator a power of (10).

Step 2

Why this answer is correct

The correct answer is A. (0.0284). \(2500\times4=10000\), so \( \frac{71}{2500}=\frac{284}{10000}=0.0284 \). Make the denominator a power of (10).

Step 3

Exam Tip

\(2500\times4=10000\), इसलिए \( \frac{71}{2500}=\frac{284}{10000}=0.0284 \) है। हर को (10) की घात बनाएं।

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दशमलव (0.00075) की तुलना (0.075) से करने पर (0.075) कितने गुना है?

When (0.00075) is compared with (0.075), how many times is (0.075)?

Explanation opens after your attempt
Correct Answer

B. (100) गुना(100) times

Step 1

Concept

\(0.075\div0.00075=100\). The difference in decimal places helps understand the ratio.

Step 2

Why this answer is correct

The correct answer is B. (100) गुना / (100) times. \(0.075\div0.00075=100\). The difference in decimal places helps understand the ratio.

Step 3

Exam Tip

\(0.075\div0.00075=100\) है। दशमलव स्थानों का अंतर अनुपात समझने में मदद करता है।

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यदि \(x=0.00\overline{45}\), तो इसका सामान्य दशमलव रूप क्या है?

If \(x=0.00\overline{45}\), what is its ordinary decimal form?

Explanation opens after your attempt
Correct Answer

A. \(0.00454545\ldots\)

Step 1

Concept

After the first (00), (45) repeats again and again. So the decimal is \(0.00454545\ldots\).

Step 2

Why this answer is correct

The correct answer is A. \(0.00454545\ldots\). After the first (00), (45) repeats again and again. So the decimal is \(0.00454545\ldots\).

Step 3

Exam Tip

पहले (00) के बाद (45) बार-बार दोहरता है। इसलिए दशमलव \(0.00454545\ldots\) होगा।

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सरल रूप में \( \frac{125}{200} \) का दशमलव प्रसार कैसा होगा?

In simplest form, what type of decimal expansion will \( \frac{125}{200} \) have?

Explanation opens after your attempt
Correct Answer

A. सांतTerminating

Step 1

Concept

\( \frac{125}{200}=\frac{5}{8} \) and \(8=2^3\). Therefore, the decimal will terminate.

Step 2

Why this answer is correct

The correct answer is A. सांत / Terminating. \( \frac{125}{200}=\frac{5}{8} \) and \(8=2^3\). Therefore, the decimal will terminate.

Step 3

Exam Tip

\( \frac{125}{200}=\frac{5}{8} \) और \(8=2^3\) है। इसलिए दशमलव सांत होगा।

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सरल रूप में \( \frac{63}{231} \) का दशमलव प्रसार कैसा होगा?

In simplest form, what type of decimal expansion will \( \frac{63}{231} \) have?

Explanation opens after your attempt
Correct Answer

C. असांत आवर्तीNon-terminating recurring

Step 1

Concept

\( \frac{63}{231}=\frac{3}{11} \), and the denominator has (11). So the decimal will be non-terminating recurring.

Step 2

Why this answer is correct

The correct answer is C. असांत आवर्ती / Non-terminating recurring. \( \frac{63}{231}=\frac{3}{11} \), and the denominator has (11). So the decimal will be non-terminating recurring.

Step 3

Exam Tip

\( \frac{63}{231}=\frac{3}{11} \) है और हर में (11) है। इसलिए दशमलव असांत आवर्ती होगा।

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दशमलव \(5.74999\ldots\) किस सांत दशमलव के बराबर है?

The decimal \(5.74999\ldots\) is equal to which terminating decimal?

Explanation opens after your attempt
Correct Answer

B. (5.75)

Step 1

Concept

When (9)'s repeat continuously, the previous digit increases by (1). So \(5.74999\ldots=5.75\).

Step 2

Why this answer is correct

The correct answer is B. (5.75). When (9)'s repeat continuously, the previous digit increases by (1). So \(5.74999\ldots=5.75\).

Step 3

Exam Tip

लगातार (9) आने पर पिछला अंक (1) बढ़ जाता है। इसलिए \(5.74999\ldots=5.75\) है।

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दशमलव (3.090800) में (8) का स्थानीय मान क्या है?

What is the place value of (8) in (3.090800)?

Explanation opens after your attempt
Correct Answer

C. \( \frac{8}{10000} \)

Step 1

Concept

(8) is in the fourth place after the decimal point. The fourth decimal place is ten-thousandths.

Step 2

Why this answer is correct

The correct answer is C. \( \frac{8}{10000} \). (8) is in the fourth place after the decimal point. The fourth decimal place is ten-thousandths.

Step 3

Exam Tip

(8) दशमलव के बाद चौथे स्थान पर है। चौथा दशमलव स्थान दस हजारवां होता है।

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(0.1875), \( \frac{3}{16} \), \(0.18\overline{7}\) में सही संबंध कौन-सा है?

Which relation is correct among (0.1875), \( \frac{3}{16} \), and \(0.18\overline{7}\)?

Explanation opens after your attempt
Correct Answer

A. \(0.1875=\frac{3}{16}<0.18\overline{7}\)

Step 1

Concept

\( \frac{3}{16}=0.1875 \) and \(0.18\overline{7}=0.18777\ldots\). Therefore, the recurring number is greater.

Step 2

Why this answer is correct

The correct answer is A. \(0.1875=\frac{3}{16}<0.18\overline{7}\). \( \frac{3}{16}=0.1875 \) and \(0.18\overline{7}=0.18777\ldots\). Therefore, the recurring number is greater.

Step 3

Exam Tip

\( \frac{3}{16}=0.1875 \) और \(0.18\overline{7}=0.18777\ldots\) है। इसलिए आवर्ती संख्या बड़ी है।

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यदि (a=0.306), (b=0.360), (c=0.3006), तो घटते क्रम में सही व्यवस्था कौन-सी है?

If (a=0.306), (b=0.360), (c=0.3006), which is the correct descending order?

Explanation opens after your attempt
Correct Answer

A. (b>a>c)

Step 1

Concept

(0.360>0.306>0.3006). Compare all decimals after writing them up to equal places.

Step 2

Why this answer is correct

The correct answer is A. (b>a>c). (0.360>0.306>0.3006). Compare all decimals after writing them up to equal places.

Step 3

Exam Tip

(0.360>0.306>0.3006) है। सभी दशमलवों को समान स्थान तक लिखकर तुलना करें।

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कौन-सा विकल्प \( \frac{11}{125}+\frac{9}{80} \) का दशमलव मान है?

Which option is the decimal value of \( \frac{11}{125}+\frac{9}{80} \)?

Explanation opens after your attempt
Correct Answer

A. (0.2005)

Step 1

Concept

\( \frac{11}{125}=0.088 \) and \( \frac{9}{80}=0.1125 \), so the sum is (0.2005). First convert the fractions into decimals.

Step 2

Why this answer is correct

The correct answer is A. (0.2005). \( \frac{11}{125}=0.088 \) and \( \frac{9}{80}=0.1125 \), so the sum is (0.2005). First convert the fractions into decimals.

Step 3

Exam Tip

\( \frac{11}{125}=0.088 \) और \( \frac{9}{80}=0.1125 \), इसलिए योग (0.2005) है। पहले भिन्नों को दशमलव में बदलें।

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कौन-सा विकल्प \( \frac{13}{32}-0.15625 \) का मान है?

Which option is the value of \( \frac{13}{32}-0.15625 \)?

Explanation opens after your attempt
Correct Answer

A. (0.25)

Step 1

Concept

\( \frac{13}{32}=0.40625 \), so (0.40625-0.15625=0.25). Convert the fraction into decimal and subtract.

Step 2

Why this answer is correct

The correct answer is A. (0.25). \( \frac{13}{32}=0.40625 \), so (0.40625-0.15625=0.25). Convert the fraction into decimal and subtract.

Step 3

Exam Tip

\( \frac{13}{32}=0.40625 \), इसलिए (0.40625-0.15625=0.25) है। भिन्न को दशमलव में बदलकर घटाएं।

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(0.432) को (0.016) से भाग देने पर क्या मिलेगा?

What is obtained by dividing (0.432) by (0.016)?

Explanation opens after your attempt
Correct Answer

B. (27)

Step 1

Concept

Multiplying both by (1000) gives \(432\div16=27\). Removing decimals makes division easier.

Step 2

Why this answer is correct

The correct answer is B. (27). Multiplying both by (1000) gives \(432\div16=27\). Removing decimals makes division easier.

Step 3

Exam Tip

दोनों को (1000) से गुणा करने पर \(432\div16=27\) मिलता है। दशमलव हटाकर भाग देना आसान होता है।

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दशमलव \(0.0767676\ldots\) को बार संकेतन में कैसे लिखेंगे?

How is \(0.0767676\ldots\) written in bar notation?

Explanation opens after your attempt
Correct Answer

B. \(0.0\overline{76}\)

Step 1

Concept

After the first (0), (76) repeats continuously. The bar will be placed only over (76).

Step 2

Why this answer is correct

The correct answer is B. \(0.0\overline{76}\). After the first (0), (76) repeats continuously. The bar will be placed only over (76).

Step 3

Exam Tip

पहले (0) के बाद (76) लगातार दोहरता है। बार केवल (76) पर लगाया जाएगा।

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भिन्न \( \frac{17}{36} \) का दशमलव प्रसार कौन-सा है?

Which is the decimal expansion of \( \frac{17}{36} \)?

Explanation opens after your attempt
Correct Answer

A. \(0.47222\ldots\)

Step 1

Concept

\(17\div36=0.47222\ldots\). In long division, (2) repeats at the end.

Step 2

Why this answer is correct

The correct answer is A. \(0.47222\ldots\). \(17\div36=0.47222\ldots\). In long division, (2) repeats at the end.

Step 3

Exam Tip

\(17\div36=0.47222\ldots\) होता है। लंबी भाग विधि में अंत में (2) दोहरता है।

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यदि \( \frac{p}{q} \) सरल रूप में है और \(q=5^8\), तो सांत दशमलव में अधिकतम कितने दशमलव स्थान होंगे?

If \( \frac{p}{q} \) is in simplest form and \(q=5^8\), what is the maximum number of decimal places in the terminating decimal?

Explanation opens after your attempt
Correct Answer

C. (8)

Step 1

Concept

To make \(5^8\) into \(10^8\), we multiply by \(2^8\). So there will be at most (8) decimal places.

Step 2

Why this answer is correct

The correct answer is C. (8). To make \(5^8\) into \(10^8\), we multiply by \(2^8\). So there will be at most (8) decimal places.

Step 3

Exam Tip

\(5^8\) को \(10^8\) बनाने के लिए \(2^8\) से गुणा करना पड़ेगा। इसलिए अधिकतम (8) दशमलव स्थान होंगे।

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यदि \( \frac{p}{q} \) सरल रूप में है और \(q=2^5\times5^2\), तो सांत दशमलव में अधिकतम कितने दशमलव स्थान होंगे?

If \( \frac{p}{q} \) is in simplest form and \(q=2^5\times5^2\), what is the maximum number of decimal places in the terminating decimal?

Explanation opens after your attempt
Correct Answer

B. (5)

Step 1

Concept

The larger exponent among (2) and (5) is (5). So the terminating decimal will have at most (5) places.

Step 2

Why this answer is correct

The correct answer is B. (5). The larger exponent among (2) and (5) is (5). So the terminating decimal will have at most (5) places.

Step 3

Exam Tip

(2) और (5) की घातों में बड़ी घात (5) है। इसलिए सांत दशमलव में अधिकतम (5) स्थान होंगे।

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दशमलव \(0.05005000500005\ldots\) किस प्रकार का है?

What type of decimal is \(0.05005000500005\ldots\)?

Explanation opens after your attempt
Correct Answer

C. असांत अनावर्तीNon-terminating non-recurring

Step 1

Concept

The number of zeros between (5)'s increases, so there is no fixed repetition. Such a decimal is non-terminating non-recurring.

Step 2

Why this answer is correct

The correct answer is C. असांत अनावर्ती / Non-terminating non-recurring. The number of zeros between (5)'s increases, so there is no fixed repetition. Such a decimal is non-terminating non-recurring.

Step 3

Exam Tip

इसमें (5) के बीच शून्यों की संख्या बढ़ती है, इसलिए कोई निश्चित दोहराव नहीं है। ऐसा दशमलव असांत अनावर्ती है।

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(0.0016) को प्रतिशत में बदलने पर क्या मिलेगा?

What is obtained by converting (0.0016) into a percentage?

Explanation opens after your attempt
Correct Answer

B. (0.16%)

Step 1

Concept

\(0.0016\times100=0.16\), so it is (0.16%). Multiply by (100) to convert into percentage.

Step 2

Why this answer is correct

The correct answer is B. (0.16%). \(0.0016\times100=0.16\), so it is (0.16%). Multiply by (100) to convert into percentage.

Step 3

Exam Tip

\(0.0016\times100=0.16\), इसलिए (0.16%) है। प्रतिशत में बदलने के लिए (100) से गुणा करें।

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(0.0078125) को (1000000) से गुणा करने पर क्या मिलेगा?

What is obtained by multiplying (0.0078125) by (1000000)?

Explanation opens after your attempt
Correct Answer

C. (7812.5)

Step 1

Concept

On multiplying by (1000000), the decimal point moves six places to the right. Therefore, the answer is (7812.5).

Step 2

Why this answer is correct

The correct answer is C. (7812.5). On multiplying by (1000000), the decimal point moves six places to the right. Therefore, the answer is (7812.5).

Step 3

Exam Tip

(1000000) से गुणा करने पर दशमलव बिंदु छह स्थान दाईं ओर जाता है। इसलिए उत्तर (7812.5) है।

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\(0.74\overline{9}\), (0.75), \( \frac{3}{4} \) के बारे में सही कथन कौन-सा है?

Which statement about \(0.74\overline{9}\), (0.75), and \( \frac{3}{4} \) is correct?

Explanation opens after your attempt
Correct Answer

C. \(0.74\overline{9}=0.75=\frac{3}{4}\)

Step 1

Concept

\(0.74\overline{9}=0.7500\ldots\) and \( \frac{3}{4}=0.75 \). Identify repeating (9)'s correctly.

Step 2

Why this answer is correct

The correct answer is C. \(0.74\overline{9}=0.75=\frac{3}{4}\). \(0.74\overline{9}=0.7500\ldots\) and \( \frac{3}{4}=0.75 \). Identify repeating (9)'s correctly.

Step 3

Exam Tip

\(0.74\overline{9}=0.7500\ldots\) और \( \frac{3}{4}=0.75 \) है। दोहरते (9) को सही पहचानें।

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कौन-सा दशमलव \( \frac{5}{8} \) से छोटा लेकिन (0.624) से बड़ा है?

Which decimal is less than \( \frac{5}{8} \) but greater than (0.624)?

Explanation opens after your attempt
Correct Answer

B. (0.6245)

Step 1

Concept

\( \frac{5}{8}=0.625 \), so (0.6245) is greater than (0.624) and less than (0.625). Convert boundary values into decimals.

Step 2

Why this answer is correct

The correct answer is B. (0.6245). \( \frac{5}{8}=0.625 \), so (0.6245) is greater than (0.624) and less than (0.625). Convert boundary values into decimals.

Step 3

Exam Tip

\( \frac{5}{8}=0.625 \), इसलिए (0.6245), (0.624) से बड़ा और (0.625) से छोटा है। सीमा मानों को दशमलव में बदलें।

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सरल रूप में \( \frac{96}{180} \) का दशमलव प्रसार कैसा होगा?

In simplest form, what type of decimal expansion will \( \frac{96}{180} \) have?

Explanation opens after your attempt
Correct Answer

B. असांत आवर्तीNon-terminating recurring

Step 1

Concept

\( \frac{96}{180}=\frac{8}{15} \), and the denominator has (3). Therefore, the decimal will be non-terminating recurring.

Step 2

Why this answer is correct

The correct answer is B. असांत आवर्ती / Non-terminating recurring. \( \frac{96}{180}=\frac{8}{15} \), and the denominator has (3). Therefore, the decimal will be non-terminating recurring.

Step 3

Exam Tip

\( \frac{96}{180}=\frac{8}{15} \) और हर में (3) है। इसलिए दशमलव असांत आवर्ती होगा।

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भिन्न \( \frac{83}{3200} \) का दशमलव रूप क्या है?

What is the decimal form of \( \frac{83}{3200} \)?

Explanation opens after your attempt
Correct Answer

B. (0.0259375)

Step 1

Concept

\(3200\times3125=10000000\), so \( \frac{83}{3200}=0.0259375 \). Convert the denominator into a power of (10) to get the exact decimal.

Step 2

Why this answer is correct

The correct answer is B. (0.0259375). \(3200\times3125=10000000\), so \( \frac{83}{3200}=0.0259375 \). Convert the denominator into a power of (10) to get the exact decimal.

Step 3

Exam Tip

\(3200\times3125=10000000\), इसलिए \( \frac{83}{3200}=0.0259375 \) है। हर को (10) की घात बनाकर सटीक दशमलव निकालें।

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दशमलव \(0.0181818\ldots\) का सही बार संकेतन कौन-सा है?

Which is the correct bar notation of \(0.0181818\ldots\)?

Explanation opens after your attempt
Correct Answer

C. \(0.0\overline{18}\)

Step 1

Concept

After the first (0), the block (18) repeats again and again. Put the bar only over the actual recurring part.

Step 2

Why this answer is correct

The correct answer is C. \(0.0\overline{18}\). After the first (0), the block (18) repeats again and again. Put the bar only over the actual recurring part.

Step 3

Exam Tip

पहले (0) के बाद (18) का समूह बार-बार दोहरता है। बार केवल वास्तविक आवर्ती भाग पर लगाएं।

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यदि \(0.3a8\leq0.348\), तो अंक (a) के कितने मान संभव हैं?

If \(0.3a8\leq0.348\), how many values of digit (a) are possible?

Explanation opens after your attempt
Correct Answer

B. (5)

Step 1

Concept

The tenths digits are equal and the hundredths digit must satisfy \(a\leq4\). So (a=0,1,2,3,4), giving (5) possible values.

Step 2

Why this answer is correct

The correct answer is B. (5). The tenths digits are equal and the hundredths digit must satisfy \(a\leq4\). So (a=0,1,2,3,4), giving (5) possible values.

Step 3

Exam Tip

दसवें स्थान समान हैं और सौवें स्थान पर \(a\leq4\) होना चाहिए। इसलिए (a=0,1,2,3,4) यानी (5) मान संभव हैं।

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यदि \( \frac{p}{q} \) सरल रूप में है और \(q=2^4\times5^9\), तो सांत दशमलव में अधिकतम कितने दशमलव स्थान होंगे?

If \( \frac{p}{q} \) is in simplest form and \(q=2^4\times5^9\), what is the maximum number of decimal places in the terminating decimal?

Explanation opens after your attempt
Correct Answer

C. (9)

Step 1

Concept

The larger exponent among (2) and (5) is (9). So the terminating decimal will have at most (9) places.

Step 2

Why this answer is correct

The correct answer is C. (9). The larger exponent among (2) and (5) is (9). So the terminating decimal will have at most (9) places.

Step 3

Exam Tip

(2) और (5) की घातों में बड़ी घात (9) है। इसलिए सांत दशमलव में अधिकतम (9) स्थान होंगे।

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FAQs

Class 9 Mathematics Quiz FAQs

How many questions are in this quiz?

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Is there a timer in this quiz?

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Can I open each question separately?

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