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mixed recurring decimal MCQ Questions for Class 10

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Practice Questions

22 questions tagged with mixed recurring decimal.

Question 1/22 Expert Mathematics Real Numbers 7: Decimal expansion of rational numbers Class 10 Level 21

\(0.12\overline{45}\) को सरलतम भिन्न \(\frac{p}{q}\) में लिखने पर (q) क्या होगा?

When \(0.12\overline{45}\) is written as \(\frac{p}{q}\) in lowest form, what is (q)?

Explanation opens after your attempt
Correct Answer

C. (1100)

Step 1

Concept

\(0.124545\ldots=\frac{1245-12}{9900}=\frac{1233}{9900}=\frac{137}{1100}\). Always reduce the final fraction in mixed recurring decimals.

Step 2

Why this answer is correct

The correct answer is C. (1100). \(0.124545\ldots=\frac{1245-12}{9900}=\frac{1233}{9900}=\frac{137}{1100}\). Always reduce the final fraction in mixed recurring decimals.

Step 3

Exam Tip

\(0.124545\ldots=\frac{1245-12}{9900}=\frac{1233}{9900}=\frac{137}{1100}\) है। मिश्रित आवर्ती दशमलव में अंतिम भिन्न को अवश्य सरल करें।

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Question 2/22 Expert Mathematics Real Numbers 7: Decimal expansion of rational numbers Class 10 Level 21

\(0.4\overline{27}\) को सरलतम भिन्न \(\frac{p}{q}\) में लिखने पर (q) क्या होगा?

When \(0.4\overline{27}\) is written as \(\frac{p}{q}\) in lowest form, what is (q)?

Explanation opens after your attempt
Correct Answer

B. (110)

Step 1

Concept

\(0.4272727\ldots=\frac{423}{990}=\frac{47}{110}\), so the denominator is (110). In mixed recurring decimals, the final fraction must be reduced.

Step 2

Why this answer is correct

The correct answer is B. (110). \(0.4272727\ldots=\frac{423}{990}=\frac{47}{110}\), so the denominator is (110). In mixed recurring decimals, the final fraction must be reduced.

Step 3

Exam Tip

\(0.4272727\ldots=\frac{423}{990}=\frac{47}{110}\) है इसलिए हर (110) है। मिश्रित आवर्ती दशमलव में अंतिम भिन्न को सरल करना जरूरी है।

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Question 3/22 Expert Mathematics Real Numbers 7: Decimal expansion of rational numbers Class 10 Level 20

\(0.0\overline{125}\) को सरलतम भिन्न \(\frac{p}{q}\) में लिखने पर (q) क्या होगा?

When \(0.0\overline{125}\) is written as \(\frac{p}{q}\) in lowest form, what is (q)?

Explanation opens after your attempt
Correct Answer

B. (1998)

Step 1

Concept

One non-repeating zero and three repeating digits give \(\frac{125}{9990}\), which reduces to \(\frac{25}{1998}\). In mixed recurring decimals, do not treat the first denominator as the final one.

Step 2

Why this answer is correct

The correct answer is B. (1998). One non-repeating zero and three repeating digits give \(\frac{125}{9990}\), which reduces to \(\frac{25}{1998}\). In mixed recurring decimals, do not treat the first denominator as the final one.

Step 3

Exam Tip

एक अनावर्ती शून्य और तीन आवर्ती अंकों से \(\frac{125}{9990}\) बनता है, जो \(\frac{25}{1998}\) तक सरल होता है। मिश्रित आवर्ती दशमलव में पहले बना हर अंतिम हर नहीं मानें।

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Question 4/22 Expert Mathematics Real Numbers 7: Decimal expansion of rational numbers Class 10 Level 20

\(0.00\overline{63}\) को सरलतम भिन्न में लिखने पर हर क्या होगा?

What is the denominator when \(0.00\overline{63}\) is written as a fraction in lowest form?

Explanation opens after your attempt
Correct Answer

A. (110)

Step 1

Concept

\(0.00\overline{63}=\frac{63}{9900}=\frac{7}{1100}\), so the denominator is (1100). In recurring decimals, the first denominator formed may not be final.

Step 2

Why this answer is correct

The correct answer is A. (110). \(0.00\overline{63}=\frac{63}{9900}=\frac{7}{1100}\), so the denominator is (1100). In recurring decimals, the first denominator formed may not be final.

Step 3

Exam Tip

\(0.00\overline{63}=\frac{63}{9900}=\frac{7}{1100}\) है इसलिए हर (1100) है। आवर्ती दशमलव में पहले बना हर हमेशा अंतिम हर नहीं होता।

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Question 5/22 Expert Mathematics Real Numbers 7: Decimal expansion of rational numbers Class 10 Level 20

\(0.2\overline{54}\) को सरलतम भिन्न \(\frac{p}{q}\) में लिखने पर (q) क्या होगा?

When \(0.2\overline{54}\) is written as \(\frac{p}{q}\) in lowest form, what is (q)?

Explanation opens after your attempt
Correct Answer

A. (110)

Step 1

Concept

\(0.254545\ldots=\frac{252}{990}=\frac{14}{55}\), so the denominator is (55). In such questions, reduce the final fraction fully.

Step 2

Why this answer is correct

The correct answer is A. (110). \(0.254545\ldots=\frac{252}{990}=\frac{14}{55}\), so the denominator is (55). In such questions, reduce the final fraction fully.

Step 3

Exam Tip

\(0.254545\ldots=\frac{252}{990}=\frac{14}{55}\) है इसलिए हर (55) है। ऐसे प्रश्न में अंतिम भिन्न को सरल करना जरूरी है।

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Question 6/22 Expert Mathematics Real Numbers 7: Decimal expansion of rational numbers Class 10 Level 19

\(0.00\overline{72}\) को सरलतम भिन्न में लिखने पर हर क्या होगा?

What is the denominator when \(0.00\overline{72}\) is written as a fraction in lowest form?

Explanation opens after your attempt
Correct Answer

C. (1375)

Step 1

Concept

\(0.00\overline{72}=\frac{72}{9900}=\frac{2}{275}\). The correct denominator is (275), so choose (275) from the options.

Step 2

Why this answer is correct

The correct answer is C. (1375). \(0.00\overline{72}=\frac{72}{9900}=\frac{2}{275}\). The correct denominator is (275), so choose (275) from the options.

Step 3

Exam Tip

\(0.00\overline{72}=\frac{72}{9900}=\frac{2}{275}\)। सही हर (275) है, इसलिए विकल्पों में केवल (275) को चुनना चाहिए।

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Question 7/22 Expert Mathematics Real Numbers 7: Decimal expansion of rational numbers Class 10 Level 19

\(0.3\overline{18}\) को सरलतम भिन्न \(\frac{p}{q}\) में लिखने पर (q) क्या होगा?

When \(0.3\overline{18}\) is written as \(\frac{p}{q}\) in lowest form, what is (q)?

Explanation opens after your attempt
Correct Answer

A. (110)

Step 1

Concept

Taking \(x=0.31818\ldots\), subtracting (10x) from (1000x) gives \(\frac{315}{990}=\frac{7}{22}\). The reduced denominator is (22), so none of the listed denominators is correct.

Step 2

Why this answer is correct

The correct answer is A. (110). Taking \(x=0.31818\ldots\), subtracting (10x) from (1000x) gives \(\frac{315}{990}=\frac{7}{22}\). The reduced denominator is (22), so none of the listed denominators is correct.

Step 3

Exam Tip

\(x=0.31818\ldots\) लेने पर (10x) और (1000x) घटाने से \(\frac{315}{990}=\frac{7}{22}\) मिलता है। सरलतम हर (22) है, इसलिए दिए विकल्पों में सही हर नहीं है।

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Question 8/22 Hard Mathematics Real Numbers 7: Decimal expansion of rational numbers Class 10 Level 21

\(0.02\overline{7}\) को सरलतम भिन्न \(\frac{p}{q}\) में लिखने पर (q) क्या होगा?

When \(0.02\overline{7}\) is written as \(\frac{p}{q}\) in lowest form, what is (q)?

Explanation opens after your attempt
Correct Answer

A. (36)

Step 1

Concept

Let \(x=0.027777\ldots\).

Step 2

Why this answer is correct

\(100x=2.7777\ldots\) and \(1000x=27.7777\ldots\), so (900x=25) and \(x=\frac{25}{900}=\frac{1}{36}\).

Step 3

Exam Tip

For a mixed recurring decimal, separate the non-repeating and repeating parts before multiplying. चरण 1: मान लें \(x=0.027777\ldots\)। चरण 2: \(100x=2.7777\ldots\) और \(1000x=27.7777\ldots\), इसलिए (900x=25) और \(x=\frac{25}{900}=\frac{1}{36}\)। चरण 3: मिश्रित आवर्ती दशमलव में अनावर्ती और आवर्ती भाग को अलग करके गुणा करें।

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Question 9/22 Hard Mathematics Real Numbers 7: Decimal expansion of rational numbers Class 10 Level 21

यदि \(0.00\overline{45}\) को सरलतम भिन्न \(\frac{p}{q}\) में लिखा जाए, तो सही (q) कौन-सा है?

If \(0.00\overline{45}\) is written as \(\frac{p}{q}\) in lowest form, which is the correct (q)?

Explanation opens after your attempt
Correct Answer

A. (220)

Step 1

Concept

\(0.00\overline{45}\) has two non-repeating zeros and two repeating digits.

Step 2

Why this answer is correct

Its fraction form is \(\frac{45}{9900}\), which reduces to \(\frac{1}{220}\).

Step 3

Exam Tip

The first denominator formed from a recurring decimal may not be the final denominator. चरण 1: \(0.00\overline{45}\) में दो अनावर्ती शून्य और दो आवर्ती अंक हैं। चरण 2: भिन्न रूप \(\frac{45}{9900}\) है, जिसे (45) से सरल करने पर \(\frac{1}{220}\) मिलता है। चरण 3: आवर्ती दशमलव में बनने वाला पहला हर अंतिम हर नहीं हो सकता।

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Question 10/22 Hard Mathematics Real Numbers 7: Decimal expansion of rational numbers Class 10 Level 21

यदि \(0.00\overline{45}\) को सरलतम भिन्न \(\frac{p}{q}\) में लिखा जाए, तो (q) क्या होगा?

If \(0.00\overline{45}\) is written as \(\frac{p}{q}\) in lowest form, what is (q)?

Explanation opens after your attempt
Correct Answer

D. (2200)

Step 1

Concept

\(0.00\overline{45}=0.00454545\ldots\).

Step 2

Why this answer is correct

It equals \(\frac{45}{9900}=\frac{1}{220}\). So the denominator is (220).

Step 3

Exam Tip

Choose the denominator only after reducing. चरण 1: \(0.00\overline{45}=0.00454545\ldots\) है। चरण 2: यह \(\frac{45}{9900}=\frac{1}{220}\) होता है। इसलिए हर (220) है। चरण 3: सरल करने के बाद ही हर चुनें।

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Question 11/22 Hard Mathematics Real Numbers 7: Decimal expansion of rational numbers Class 10 Level 21

\(2.4\overline{6}\) को सरलतम भिन्न में लिखने पर हर क्या होगा?

What is the denominator when \(2.4\overline{6}\) is written as a fraction in lowest form?

Explanation opens after your attempt
Correct Answer

A. (15)

Step 1

Concept

Let \(x=2.4666\ldots\).

Step 2

Why this answer is correct

\(10x=24.666\ldots\) and \(100x=246.666\ldots\), so (90x=222) and \(x=\frac{222}{90}=\frac{37}{15}\).

Step 3

Exam Tip

Align the recurring parts before subtracting. चरण 1: मान लें \(x=2.4666\ldots\)। चरण 2: \(10x=24.666\ldots\) और \(100x=246.666\ldots\), इसलिए (90x=222) और \(x=\frac{222}{90}=\frac{37}{15}\)। चरण 3: घटाने से पहले आवर्ती भाग को एक जैसी स्थिति में लाएँ।

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Question 12/22 Hard Mathematics Real Numbers 7: Decimal expansion of rational numbers Class 10 Level 21

\(0.1\overline{24}\) को सरलतम भिन्न \(\frac{p}{q}\) में लिखने पर (q) क्या होगा?

When \(0.1\overline{24}\) is written as \(\frac{p}{q}\) in lowest form, what is (q)?

Explanation opens after your attempt
Correct Answer

A. (330)

Step 1

Concept

Let \(x=0.1242424\ldots\).

Step 2

Why this answer is correct

\(10x=1.242424\ldots\) and \(1000x=124.242424\ldots\), so (990x=123) and \(x=\frac{123}{990}=\frac{41}{330}\).

Step 3

Exam Tip

First identify the lengths of the non-repeating and repeating parts. चरण 1: मान लें \(x=0.1242424\ldots\)। चरण 2: \(10x=1.242424\ldots\) और \(1000x=124.242424\ldots\), इसलिए (990x=123) और \(x=\frac{123}{990}=\frac{41}{330}\)। चरण 3: पहले सांत भाग और आवर्ती भाग की लंबाई पहचानें।

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Question 13/22 Hard Mathematics Real Numbers 7: Decimal expansion of rational numbers Class 10 Level 20

\(0.00\overline{3}\) को सरलतम भिन्न में लिखने पर हर क्या होगा?

What is the denominator when \(0.00\overline{3}\) is written as a fraction in lowest form?

Explanation opens after your attempt
Correct Answer

C. (300)

Step 1

Concept

\(0.00\overline{3}=0.003333\ldots\).

Step 2

Why this answer is correct

This equals \(\frac{1}{300}\). So the reduced denominator is (300).

Step 3

Exam Tip

Two zeros before the recurring digit introduce the effect of (100) in the denominator. चरण 1: \(0.00\overline{3}=0.003333\ldots\) है। चरण 2: यह \(\frac{1}{300}\) के बराबर है। इसलिए सरलतम हर (300) है। चरण 3: आवर्ती अंक से पहले दो शून्य हों तो हर में (100) का प्रभाव आता है।

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Question 14/22 Hard Mathematics Real Numbers 7: Decimal expansion of rational numbers Class 10 Level 20

\(0.4\overline{7}\) को सरलतम भिन्न \(\frac{p}{q}\) में लिखने पर (q) क्या होगा?

When \(0.4\overline{7}\) is written as a fraction \(\frac{p}{q}\) in lowest form, what is (q)?

Explanation opens after your attempt
Correct Answer

B. (90)

Step 1

Concept

Let \(x=0.4777\ldots\).

Step 2

Why this answer is correct

\(10x=4.777\ldots\) and \(100x=47.777\ldots\), so (90x=43) and \(x=\frac{43}{90}\).

Step 3

Exam Tip

Separate the non-repeating and repeating parts before multiplying. चरण 1: मान लें \(x=0.4777\ldots\)। चरण 2: \(10x=4.777\ldots\) और \(100x=47.777\ldots\), इसलिए (90x=43) और \(x=\frac{43}{90}\)। चरण 3: सांत भाग और आवर्ती भाग को अलग करके गुणा करें।

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Question 15/22 Hard Mathematics Real Numbers 7: Decimal expansion of rational numbers Class 10 Level 20

\(0.00\overline{27}\) को सरलतम भिन्न \(\frac{p}{q}\) में लिखने पर (q) क्या होगा?

When \(0.00\overline{27}\) is written as a fraction \(\frac{p}{q}\) in lowest form, what is (q)?

Explanation opens after your attempt
Correct Answer

B. (1100)

Step 1

Concept

\(0.00\overline{27}=0.00272727\ldots\).

Step 2

Why this answer is correct

Converting gives \(\frac{27}{9900}=\frac{3}{1100}\). Hence (q=1100).

Step 3

Exam Tip

Include the zeros before the repeating block carefully in the denominator. चरण 1: \(0.00\overline{27}=0.00272727\ldots\) है। चरण 2: इसे भिन्न में बदलने पर \(\frac{27}{9900}=\frac{3}{1100}\) मिलता है। इसलिए (q=1100)। चरण 3: आवर्ती भाग से पहले आए शून्यों को हर में ध्यान से शामिल करें।

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Question 16/22 Hard Mathematics Real Numbers 7: Decimal expansion of rational numbers Class 10 Level 19

\(0.125\overline{6}\) किस प्रकार की संख्या है?

What type of number is \(0.125\overline{6}\)?

Explanation opens after your attempt
Correct Answer

B. परिमेय और असांत आवर्तीRational and non-terminating recurring

Step 1

Concept

The digit (6) repeats, so the decimal is recurring.

Step 2

Why this answer is correct

Every recurring decimal is rational, but this one does not terminate. Hence it is rational and non-terminating recurring.

Step 3

Exam Tip

A bar over digits shows the repeating part. चरण 1: दशमलव में (6) बार-बार आ रहा है, इसलिए यह आवर्ती है। चरण 2: हर आवर्ती दशमलव परिमेय होता है, लेकिन यह समाप्त नहीं होता। इसलिए यह परिमेय और असांत आवर्ती है। चरण 3: रेखा लगे अंक आवर्ती भाग को दिखाते हैं।

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Question 17/22 Hard Mathematics Real Numbers 7: Decimal expansion of rational numbers Class 10 Level 19

\(0.12\overline{3}\) का परिमेय रूप किसके बराबर है?

Which rational form is equal to \(0.12\overline{3}\)?

Explanation opens after your attempt
Correct Answer

A. \(\frac{37}{300}\)

Step 1

Concept

Let \(x=0.12333\ldots\).

Step 2

Why this answer is correct

Then \(100x=12.333\ldots\) and \(1000x=123.333\ldots\). Subtracting gives (900x=111), so \(x=\frac{111}{900}=\frac{37}{300}\).

Step 3

Exam Tip

Separate the non-repeating and repeating parts before multiplying. चरण 1: मान लें \(x=0.12333\ldots\)। चरण 2: \(100x=12.333\ldots\) और \(1000x=123.333\ldots\)। घटाने पर (900x=111), इसलिए \(x=\frac{111}{900}=\frac{37}{300}\)। चरण 3: सांत और आवर्ती भाग अलग-अलग देखकर गुणा करें।

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Question 18/22 Medium Mathematics Real Numbers 7: Decimal expansion of rational numbers Class 10 Level 21

\(0.1\overline{6}\) का भिन्न रूप कौन-सा है?

Which is the fractional form of \(0.1\overline{6}\)?

Explanation opens after your attempt
Correct Answer

A. \(\frac{1}{6}\)

Step 1

Concept

\(0.1\overline{6}=0.1666\ldots\).

Step 2

Why this answer is correct

This is equal to \(\frac{1}{6}\).

Step 3

Exam Tip

In a mixed recurring decimal, identify the non-repeating part and then the repeating part. चरण 1: \(0.1\overline{6}=0.1666\ldots\) है। चरण 2: यह प्रसिद्ध रूप से \(\frac{1}{6}\) के बराबर है। चरण 3: मिश्रित आवर्ती दशमलव में पहले गैर-आवर्ती भाग और फिर दोहराने वाला भाग पहचानें।

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Question 19/22 Medium Mathematics Real Numbers 7: Decimal expansion of rational numbers Class 10 Level 20

\(0.04\overline{7}\) के बारे में सही कथन कौन-सा है?

Which statement is correct about \(0.04\overline{7}\)?

Explanation opens after your attempt
Correct Answer

B. यह परिमेय संख्या है जिसका दशमलव असमाप्त आवर्ती हैIt is a rational number with a non-terminating recurring decimal

Step 1

Concept

In \(0.04\overline{7}\), the digit (7) repeats.

Step 2

Why this answer is correct

The decimal does not terminate, but it has a fixed repeating pattern.

Step 3

Exam Tip

A non-terminating decimal with a fixed repetition represents a rational number. चरण 1: \(0.04\overline{7}\) में (7) बार-बार दोहरता है। चरण 2: ऐसा दशमलव समाप्त नहीं होता, लेकिन इसमें निश्चित दोहराव है। चरण 3: निश्चित दोहराव वाला असमाप्त दशमलव परिमेय संख्या को दर्शाता है।

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Question 20/22 Medium Mathematics Real Numbers 7: Decimal expansion of rational numbers Class 10 Level 20

\(0.2\overline{3}\) को भिन्न में बदलने पर सही रूप कौन-सा है?

Which is the correct fractional form of \(0.2\overline{3}\)?

Explanation opens after your attempt
Correct Answer

A. \(\frac{7}{30}\)

Step 1

Concept

\(0.2\overline{3}=0.2333\ldots\).

Step 2

Why this answer is correct

Converting it gives \(\frac{7}{30}\).

Step 3

Exam Tip

For a mixed recurring decimal, separate the non-repeating and repeating parts carefully. चरण 1: \(0.2\overline{3}=0.2333\ldots\) है। चरण 2: इसे सरल करने पर \(\frac{7}{30}\) मिलता है। चरण 3: मिश्रित आवर्ती दशमलव में गैर-आवर्ती और आवर्ती भाग अलग-अलग पहचानें।

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Question 21/22 Medium Mathematics Real Numbers 7: Decimal expansion of rational numbers Class 10 Level 19

\(0.12\overline{3}\) को सरल भिन्न के रूप में लिखिए।

Write \(0.12\overline{3}\) as a fraction in simplest form.

Explanation opens after your attempt
Correct Answer

A. \(\frac{37}{300}\)

Step 1

Concept

In \(0.12\overline{3}=0.123333\ldots\), (12) is the non-repeating part and (3) is the repeating part.

Step 2

Why this answer is correct

The fraction is \(\frac{123-12}{900}=\frac{111}{900}=\frac{37}{300}\).

Step 3

Exam Tip

Exam tip: Identify the non-repeating and repeating parts before placing (9) and (0) in the denominator. चरण 1: \(0.12\overline{3}=0.123333\ldots\) में (12) स्थिर भाग है और (3) आवर्ती भाग है। चरण 2: भिन्न \(\frac{123-12}{900}=\frac{111}{900}=\frac{37}{300}\) मिलेगी। चरण 3: परीक्षा सुझाव: स्थिर और आवर्ती भाग अलग पहचानकर ही हर में (9) और (0) लगाएं।

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Question 22/22 Easy Mathematics Real Numbers 7: Decimal expansion of rational numbers Class 10 Level 20

दशमलव \(0.2\overline{3}\) का स्वभाव कैसा है?

What is the nature of the decimal \(0.2\overline{3}\)?

Explanation opens after your attempt
Correct Answer

B. असमाप्त आवर्तीNon-terminating recurring

Step 1

Concept

In \(0.2\overline{3}\), after (2), the digit (3) repeats.

Step 2

Why this answer is correct

The decimal does not terminate and has a repeating digit, so it is recurring.

Step 3

Exam Tip

The bar is placed only over the repeating part. चरण 1: \(0.2\overline{3}\) में (2) के बाद (3) बार-बार आता है। चरण 2: यह दशमलव समाप्त नहीं होता और एक अंक दोहरता है, इसलिए आवर्ती है। चरण 3: बार केवल दोहरने वाले भाग पर लगाया जाता है।

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