Update
Muft Shiksha™ एक 100% Free Education Portal है 🇮🇳, जिसका उद्देश्य Class 9–12 के हर विद्यार्थी तक High-Quality Education को पूरी तरह मुफ्त पहुँचाना है। 🇮🇳 हम मानते हैं कि अच्छी शिक्षा किसी student की आर्थिक स्थिति पर निर्भर नहीं होनी चाहिए। 🇮🇳 हर विद्यार्थी को वही Quality Study Material, MCQs, Quizzes, Exam Preparation, Concept-Based Learning और Bilingual Support मिलना चाहिए, जो आमतौर पर महंगी Coaching या Premium Platforms में मिलता है। Muft Shiksha™ 🇮🇳 इसी सोच के साथ बनाया गया है • Muft Shiksha™ एक 100% Free Education Portal है 🇮🇳, जिसका उद्देश्य Class 9–12 के हर विद्यार्थी तक High-Quality Education को पूरी तरह मुफ्त पहुँचाना है। 🇮🇳 हम मानते हैं कि अच्छी शिक्षा किसी student की आर्थिक स्थिति पर निर्भर नहीं होनी चाहिए। 🇮🇳 हर विद्यार्थी को वही Quality Study Material, MCQs, Quizzes, Exam Preparation, Concept-Based Learning और Bilingual Support मिलना चाहिए, जो आमतौर पर महंगी Coaching या Premium Platforms में मिलता है। Muft Shiksha™ 🇮🇳 इसी सोच के साथ बनाया गया है • Muft Shiksha™ एक 100% Free Education Portal है 🇮🇳, जिसका उद्देश्य Class 9–12 के हर विद्यार्थी तक High-Quality Education को पूरी तरह मुफ्त पहुँचाना है। 🇮🇳 हम मानते हैं कि अच्छी शिक्षा किसी student की आर्थिक स्थिति पर निर्भर नहीं होनी चाहिए। 🇮🇳 हर विद्यार्थी को वही Quality Study Material, MCQs, Quizzes, Exam Preparation, Concept-Based Learning और Bilingual Support मिलना चाहिए, जो आमतौर पर महंगी Coaching या Premium Platforms में मिलता है। Muft Shiksha™ 🇮🇳 इसी सोच के साथ बनाया गया है
Subjects List

Class 10 Mathematics Expert Quiz

Level 19 • 50/50 questions • 25 seconds per question.

Level readiness 50/50 Questions
Time Left 20:50 25 sec/question
RewardsCoins + XP
ModeClassic Quiz
Share
Question 1 / 50 0 score
Answered 0/50 Correct 0 Time 20:50

यदि \(\frac{p}{q}\) सरलतम रूप में है और \(q=2^4\cdot 5^7\), तो दशमलव प्रसार ठीक कितने स्थानों पर समाप्त होगा?

If \(\frac{p}{q}\) is in lowest form and \(q=2^4\cdot 5^7\), after exactly how many decimal places will the decimal expansion terminate?

Explanation opens after your attempt
Correct Answer

B. (7) स्थान(7) places

Step 1

Concept

The denominator has only (2) and (5), so the decimal terminates with the larger exponent (7). In exams, do not add the exponents.

Step 2

Why this answer is correct

The correct answer is B. (7) स्थान / (7) places. The denominator has only (2) and (5), so the decimal terminates with the larger exponent (7). In exams, do not add the exponents.

Step 3

Exam Tip

हर में केवल (2) और (5) हैं, इसलिए दशमलव सांत होगा और स्थान बड़ी घात (7) होंगे। परीक्षा में घातों को जोड़ने की गलती न करें।

Open Question Page
Ask Friends

\(\frac{242}{2^3\cdot 5^4\cdot 11^2}\) को सरलतम रूप में लिखने के बाद उसका दशमलव प्रसार कितने स्थानों पर समाप्त होगा?

After reducing \(\frac{242}{2^3\cdot 5^4\cdot 11^2}\) to lowest form, after how many decimal places will its decimal expansion terminate?

Explanation opens after your attempt
Correct Answer

B. (4) स्थान(4) places

Step 1

Concept

Since \(242=2\cdot 11^2\), the reduced denominator becomes \(2^2\cdot 5^4\). The larger exponent is (4), so reduce first and then count decimal places.

Step 2

Why this answer is correct

The correct answer is B. (4) स्थान / (4) places. Since \(242=2\cdot 11^2\), the reduced denominator becomes \(2^2\cdot 5^4\). The larger exponent is (4), so reduce first and then count decimal places.

Step 3

Exam Tip

\(242=2\cdot 11^2\), इसलिए कटौती के बाद हर \(2^2\cdot 5^4\) बचेगा। बड़ी घात (4) है, इसलिए पहले सरल करें फिर दशमलव स्थान गिनें।

Open Question Page
Ask Friends

\(\frac{84}{2^3\cdot 3\cdot 5^2\cdot 7}\) को सरल करने के बाद दशमलव प्रसार कितने स्थानों पर समाप्त होगा?

After reducing \(\frac{84}{2^3\cdot 3\cdot 5^2\cdot 7}\), after how many decimal places will its decimal expansion terminate?

Explanation opens after your attempt
Correct Answer

B. (2) स्थान(2) places

Step 1

Concept

Since \(84=2^2\cdot 3\cdot 7\), the reduced denominator is \(2\cdot 5^2\). The larger exponent is (2), so reduce first and then count places.

Step 2

Why this answer is correct

The correct answer is B. (2) स्थान / (2) places. Since \(84=2^2\cdot 3\cdot 7\), the reduced denominator is \(2\cdot 5^2\). The larger exponent is (2), so reduce first and then count places.

Step 3

Exam Tip

\(84=2^2\cdot 3\cdot 7\), इसलिए सरल हर \(2\cdot 5^2\) बचेगा। बड़ी घात (2) है, इसलिए पहले कटौती करें फिर स्थान गिनें।

Open Question Page
Ask Friends

यदि (n) सबसे छोटा धनात्मक पूर्णांक है जिससे \(\frac{n}{2^2\cdot 3^4\cdot 5\cdot 13}\) का दशमलव सांत हो, तो (n) क्या होगा?

If (n) is the smallest positive integer for which \(\frac{n}{2^2\cdot 3^4\cdot 5\cdot 13}\) has a terminating decimal, what is (n)?

Explanation opens after your attempt
Correct Answer

C. (1053)

Step 1

Concept

For a terminating decimal, \(3^4\) and (13) must cancel completely, so \(n=3^4\cdot 13=1053\). For the least value, cancel only the unwanted prime factors.

Step 2

Why this answer is correct

The correct answer is C. (1053). For a terminating decimal, \(3^4\) and (13) must cancel completely, so \(n=3^4\cdot 13=1053\). For the least value, cancel only the unwanted prime factors.

Step 3

Exam Tip

सांत दशमलव के लिए \(3^4\) और (13) पूरी तरह कटने चाहिए, इसलिए \(n=3^4\cdot 13=1053\)। न्यूनतम मान में केवल अनचाहे अभाज्य गुणनखंड काटें।

Open Question Page
Ask Friends

\(0.3\overline{18}\) 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।

Open Question Page
Ask Friends

\(0.3\overline{18}\) को सरलतम भिन्न में बदलने पर हर कौन-सा है?

What is the denominator when \(0.3\overline{18}\) is converted to lowest fraction form?

Explanation opens after your attempt
Correct Answer

A. (22)

Step 1

Concept

\(0.3\overline{18}=0.3181818\ldots=\frac{315}{990}=\frac{7}{22}\). Always reduce the final fraction in mixed recurring decimals.

Step 2

Why this answer is correct

The correct answer is A. (22). \(0.3\overline{18}=0.3181818\ldots=\frac{315}{990}=\frac{7}{22}\). Always reduce the final fraction in mixed recurring decimals.

Step 3

Exam Tip

\(0.3\overline{18}=0.3181818\ldots=\frac{315}{990}=\frac{7}{22}\)। मिश्रित आवर्ती दशमलव में अंतिम उत्तर हमेशा सरल करें।

Open Question Page
Ask Friends

\(\frac{125}{2^8\cdot 5^6\cdot 11}\) का दशमलव प्रसार कैसा होगा?

What type of decimal expansion will \(\frac{125}{2^8\cdot 5^6\cdot 11}\) have?

Explanation opens after your attempt
Correct Answer

B. असांत आवर्तीNon-terminating recurring

Step 1

Concept

Even after \(125=5^3\) cancels, (11) remains in the denominator. If a reduced denominator has a prime other than (2) and (5), the decimal is non-terminating recurring.

Step 2

Why this answer is correct

The correct answer is B. असांत आवर्ती / Non-terminating recurring. Even after \(125=5^3\) cancels, (11) remains in the denominator. If a reduced denominator has a prime other than (2) and (5), the decimal is non-terminating recurring.

Step 3

Exam Tip

\(125=5^3\) कटने पर भी हर में (11) बचता है। सरलतम हर में (2) और (5) के अलावा कोई अभाज्य रहे तो दशमलव असांत आवर्ती होता है।

Open Question Page
Ask Friends

कौन-सा हर सरलतम भिन्न में ठीक (6) दशमलव स्थान देगा?

Which denominator in a reduced fraction will give exactly (6) decimal places?

Explanation opens after your attempt
Correct Answer

B. \(2^6\cdot 5^2\)

Step 1

Concept

For exactly (6) places, the larger exponent of (2) and (5) must be (6). Only \(2^6\cdot 5^2\) has larger exponent (6).

Step 2

Why this answer is correct

The correct answer is B. \(2^6\cdot 5^2\). For exactly (6) places, the larger exponent of (2) and (5) must be (6). Only \(2^6\cdot 5^2\) has larger exponent (6).

Step 3

Exam Tip

ठीक (6) स्थानों के लिए (2) और (5) की बड़ी घात (6) होनी चाहिए। केवल \(2^6\cdot 5^2\) में बड़ी घात (6) है।

Open Question Page
Ask Friends

यदि \(\frac{17}{2^a5^b}\) का दशमलव ठीक (9) स्थानों पर समाप्त होता है और (a<b), तो (b) का मान क्या है?

If \(\frac{17}{2^a5^b}\) terminates exactly after (9) decimal places and (a<b), what is the value of (b)?

Explanation opens after your attempt
Correct Answer

B. (9)

Step 1

Concept

When (a<b), the larger exponent is (b). For exactly (9) decimal places, (b=9).

Step 2

Why this answer is correct

The correct answer is B. (9). When (a<b), the larger exponent is (b). For exactly (9) decimal places, (b=9).

Step 3

Exam Tip

जब (a<b), तो बड़ी घात (b) है। ठीक (9) दशमलव स्थानों के लिए (b=9) होगा।

Open Question Page
Ask Friends

(0.00072) को सरलतम भिन्न में लिखने पर हर क्या होगा?

What is the denominator when (0.00072) is written as a fraction in lowest form?

Explanation opens after your attempt
Correct Answer

A. (1250)

Step 1

Concept

\(0.00072=\frac{72}{100000}\), and reducing by (8) gives \(\frac{9}{12500}\). So the correct denominator is (12500); check the common factor carefully in small decimals.

Step 2

Why this answer is correct

The correct answer is A. (1250). \(0.00072=\frac{72}{100000}\), and reducing by (8) gives \(\frac{9}{12500}\). So the correct denominator is (12500); check the common factor carefully in small decimals.

Step 3

Exam Tip

\(0.00072=\frac{72}{100000}\) और (72) से सरल करने पर \(\frac{9}{12500}\) मिलता है। इसलिए सही हर (12500) है, छोटे दशमलवों में महत्तम सामान्य गुणनखंड ध्यान से देखें।

Open Question Page
Ask Friends

(0.00072) का सरलतम भिन्न रूप कौन-सा है?

Which is the lowest fraction form of (0.00072)?

Explanation opens after your attempt
Correct Answer

A. \(\frac{9}{12500}\)

Step 1

Concept

\(0.00072=\frac{72}{100000}\), and reducing by (8) gives \(\frac{9}{12500}\). First write the denominator as a power of (10), then reduce.

Step 2

Why this answer is correct

The correct answer is A. \(\frac{9}{12500}\). \(0.00072=\frac{72}{100000}\), and reducing by (8) gives \(\frac{9}{12500}\). First write the denominator as a power of (10), then reduce.

Step 3

Exam Tip

\(0.00072=\frac{72}{100000}\), जिसे (8) से सरल करने पर \(\frac{9}{12500}\) मिलता है। पहले (10) की घात वाला हर बनाकर फिर भिन्न को सरल करें।

Open Question Page
Ask Friends

\(\frac{1}{2^3\cdot 5^2\cdot 7^2}\) में आवर्ती भाग शुरू होने से पहले कितने अनावर्ती दशमलव अंक आएँगे?

In \(\frac{1}{2^3\cdot 5^2\cdot 7^2}\), how many non-repeating decimal digits will appear before the recurring part starts?

Explanation opens after your attempt
Correct Answer

B. (3)

Step 1

Concept

The factor \(7^2\) makes the decimal recurring, and the larger exponent among (2) and (5) is (3), giving the non-repeating start. In exams, separate recurrence from the initial delay.

Step 2

Why this answer is correct

The correct answer is B. (3). The factor \(7^2\) makes the decimal recurring, and the larger exponent among (2) and (5) is (3), giving the non-repeating start. In exams, separate recurrence from the initial delay.

Step 3

Exam Tip

हर में \(7^2\) होने से दशमलव आवर्ती होगा और (2), (5) की बड़ी घात (3) आरंभिक अनावर्ती भाग देती है। परीक्षा में आवर्तीपन और आरंभिक देरी को अलग-अलग पहचानें।

Open Question Page
Ask Friends

कथन: \(\frac{63}{2^4\cdot 3^2\cdot 5^3\cdot 7}\) का दशमलव सांत है। कारण: सरल करने पर हर में केवल (2) और (5) बचते हैं। सही विकल्प चुनिए।

Assertion: \(\frac{63}{2^4\cdot 3^2\cdot 5^3\cdot 7}\) has a terminating decimal. Reason: After reducing, only (2) and (5) remain in the denominator. Choose the correct option.

Explanation opens after your attempt
Correct Answer

A. कथन और कारण दोनों सही हैं तथा कारण सही व्याख्या हैBoth are true and the reason explains it

Step 1

Concept

Since \(63=3^2\cdot 7\), the reduced denominator is \(2^4\cdot 5^3\). The reason directly explains the terminating decimal rule.

Step 2

Why this answer is correct

The correct answer is A. कथन और कारण दोनों सही हैं तथा कारण सही व्याख्या है / Both are true and the reason explains it. Since \(63=3^2\cdot 7\), the reduced denominator is \(2^4\cdot 5^3\). The reason directly explains the terminating decimal rule.

Step 3

Exam Tip

\(63=3^2\cdot 7\), इसलिए कटौती के बाद हर \(2^4\cdot 5^3\) बचेगा। कारण सीधे सांत दशमलव का नियम समझाता है।

Open Question Page
Ask Friends

कौन-सा दशमलव परिमेय है लेकिन किसी सांत दशमलव के बराबर नहीं है?

Which decimal is rational but not equal to any terminating decimal?

Explanation opens after your attempt
Correct Answer

C. \(0.\overline{625}\)

Step 1

Concept

\(0.\overline{625}\) is a fixed recurring decimal, so it is rational but not terminating. A decimal is terminating only when zeros continue after some point.

Step 2

Why this answer is correct

The correct answer is C. \(0.\overline{625}\). \(0.\overline{625}\) is a fixed recurring decimal, so it is rational but not terminating. A decimal is terminating only when zeros continue after some point.

Step 3

Exam Tip

\(0.\overline{625}\) स्थिर आवर्ती दशमलव है, इसलिए परिमेय है पर सांत नहीं है। अंत में केवल शून्य होने पर ही दशमलव सांत माना जाता है।

Open Question Page
Ask Friends

\(\frac{3^5}{2^2\cdot 3^4\cdot 5^6}\) का दशमलव प्रसार कितने स्थानों पर समाप्त होगा?

After how many decimal places will \(\frac{3^5}{2^2\cdot 3^4\cdot 5^6}\) terminate?

Explanation opens after your attempt
Correct Answer

C. (6)

Step 1

Concept

After cancellation, the fraction becomes \(\frac{3}{2^2\cdot 5^6}\). The larger exponent is (6), so the decimal terminates after (6) places.

Step 2

Why this answer is correct

The correct answer is C. (6). After cancellation, the fraction becomes \(\frac{3}{2^2\cdot 5^6}\). The larger exponent is (6), so the decimal terminates after (6) places.

Step 3

Exam Tip

कटौती के बाद भिन्न \(\frac{3}{2^2\cdot 5^6}\) बनती है। बड़ी घात (6) है, इसलिए दशमलव (6) स्थानों पर समाप्त होगा।

Open Question Page
Ask Friends

यदि \(\frac{p}{q}\) सरलतम रूप में है और (q), \(10^8\) का भाजक है लेकिन \(10^6\) का भाजक नहीं है, तो दशमलव स्थानों के बारे में निश्चित क्या कहा जा सकता है?

If \(\frac{p}{q}\) is in lowest form and (q) divides \(10^8\) but does not divide \(10^6\), what is certain about its decimal places?

Explanation opens after your attempt
Correct Answer

B. ठीक (7) या (8) स्थानExactly (7) or (8) places

Step 1

Concept

Since (q) has only (2) and (5), the decimal terminates. Not dividing \(10^6\) means the larger exponent is (7) or (8).

Step 2

Why this answer is correct

The correct answer is B. ठीक (7) या (8) स्थान / Exactly (7) or (8) places. Since (q) has only (2) and (5), the decimal terminates. Not dividing \(10^6\) means the larger exponent is (7) or (8).

Step 3

Exam Tip

(q) में केवल (2) और (5) हैं, इसलिए दशमलव सांत है। \(10^6\) का भाजक न होने से बड़ी घात (7) या (8) होगी।

Open Question Page
Ask Friends

\(0.00\overline{72}\) 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।

Open Question Page
Ask Friends

\(0.00\overline{72}\) का सरलतम भिन्न रूप कौन-सा है?

Which is the lowest fraction form of \(0.00\overline{72}\)?

Explanation opens after your attempt
Correct Answer

A. \(\frac{2}{275}\)

Step 1

Concept

Two non-repeating zeros and two repeating digits give \(\frac{72}{9900}\). Reducing it gives \(\frac{2}{275}\).

Step 2

Why this answer is correct

The correct answer is A. \(\frac{2}{275}\). Two non-repeating zeros and two repeating digits give \(\frac{72}{9900}\). Reducing it gives \(\frac{2}{275}\).

Step 3

Exam Tip

दो अनावर्ती शून्य और दो आवर्ती अंकों से \(\frac{72}{9900}\) बनता है। इसे सरल करने पर \(\frac{2}{275}\) मिलता है।

Open Question Page
Ask Friends

\(\frac{2^3\cdot 5^2}{2^7\cdot 5^5}\) का दशमलव प्रसार कितने स्थानों पर समाप्त होगा?

After how many decimal places will \(\frac{2^3\cdot 5^2}{2^7\cdot 5^5}\) terminate?

Explanation opens after your attempt
Correct Answer

B. (4)

Step 1

Concept

After cancellation, the denominator becomes \(2^4\cdot 5^3\). The larger exponent is (4), so the decimal terminates after (4) places.

Step 2

Why this answer is correct

The correct answer is B. (4). After cancellation, the denominator becomes \(2^4\cdot 5^3\). The larger exponent is (4), so the decimal terminates after (4) places.

Step 3

Exam Tip

कटौती के बाद हर \(2^4\cdot 5^3\) बचेगा। बड़ी घात (4) है, इसलिए दशमलव (4) स्थानों पर समाप्त होगा।

Open Question Page
Ask Friends

कौन-सा कथन हमेशा सत्य है, जब \(\frac{p}{q}\) सरलतम रूप में हो?

Which statement is always true when \(\frac{p}{q}\) is in lowest form?

Explanation opens after your attempt
Correct Answer

C. यदि \(q=2^m5^n\), तो दशमलव सांत होगाIf \(q=2^m5^n\), the decimal terminates

Step 1

Concept

A decimal terminates when the reduced denominator has only (2) and (5). The other statements are incomplete because other prime factors may also be present.

Step 2

Why this answer is correct

The correct answer is C. यदि \(q=2^m5^n\), तो दशमलव सांत होगा / If \(q=2^m5^n\), the decimal terminates. A decimal terminates when the reduced denominator has only (2) and (5). The other statements are incomplete because other prime factors may also be present.

Step 3

Exam Tip

सरलतम हर में केवल (2) और (5) होने पर दशमलव सांत होता है। बाकी कथन अधूरे हैं क्योंकि अन्य अभाज्य गुणनखंड भी हो सकते हैं।

Open Question Page
Ask Friends

\(0.124999\ldots\) किसके बराबर है?

What is \(0.124999\ldots\) equal to?

Explanation opens after your attempt
Correct Answer

B. (0.125)

Step 1

Concept

When (9)'s continue forever at the end, the number equals the next terminating decimal. Thus \(0.124999\ldots=0.125\).

Step 2

Why this answer is correct

The correct answer is B. (0.125). When (9)'s continue forever at the end, the number equals the next terminating decimal. Thus \(0.124999\ldots=0.125\).

Step 3

Exam Tip

अंत में अनंत (9) होने पर संख्या अगले सांत दशमलव के बराबर होती है। इसलिए \(0.124999\ldots=0.125\)।

Open Question Page
Ask Friends

यदि \(\frac{a}{2^3\cdot 3^2\cdot 5^4\cdot 17}\) का दशमलव सांत हो, तो (a) में कम से कम कौन-सा गुणनखंड होना चाहिए?

If \(\frac{a}{2^3\cdot 3^2\cdot 5^4\cdot 17}\) is to have a terminating decimal, what factor must (a) contain at minimum?

Explanation opens after your attempt
Correct Answer

A. (153)

Step 1

Concept

The factors \(3^2\) and (17) must be removed from the reduced denominator, so the minimum factor is \(3^2\cdot 17=153\). Factors (2) and (5) may remain.

Step 2

Why this answer is correct

The correct answer is A. (153). The factors \(3^2\) and (17) must be removed from the reduced denominator, so the minimum factor is \(3^2\cdot 17=153\). Factors (2) and (5) may remain.

Step 3

Exam Tip

सरलतम हर से \(3^2\) और (17) हटने चाहिए, इसलिए न्यूनतम गुणनखंड \(3^2\cdot 17=153\) है। (2) और (5) हर में रह सकते हैं।

Open Question Page
Ask Friends

\(\frac{189}{2^2\cdot 3^3\cdot 5\cdot 7}\) का दशमलव प्रसार कैसा होगा?

What type of decimal expansion will \(\frac{189}{2^2\cdot 3^3\cdot 5\cdot 7}\) have?

Explanation opens after your attempt
Correct Answer

A. सांत और (2) स्थानों पर समाप्तTerminating after (2) places

Step 1

Concept

Since \(189=3^3\cdot 7\), the reduced denominator is \(2^2\cdot 5\). The larger exponent is (2), so the decimal terminates after (2) places.

Step 2

Why this answer is correct

The correct answer is A. सांत और (2) स्थानों पर समाप्त / Terminating after (2) places. Since \(189=3^3\cdot 7\), the reduced denominator is \(2^2\cdot 5\). The larger exponent is (2), so the decimal terminates after (2) places.

Step 3

Exam Tip

\(189=3^3\cdot 7\), इसलिए सरल हर \(2^2\cdot 5\) बचेगा। बड़ी घात (2) है, इसलिए दशमलव (2) स्थानों पर समाप्त होगा।

Open Question Page
Ask Friends

दशमलव \(0.202002000200002\ldots\) के लिए सही वर्गीकरण कौन-सा है?

What is the correct classification of the decimal \(0.202002000200002\ldots\)?

Explanation opens after your attempt
Correct Answer

C. असांत अनावर्ती अपरिमेयNon-terminating non-recurring irrational

Step 1

Concept

This decimal does not end, and the number of zeros between the (2)'s keeps changing. Since there is no fixed repeating block, it is non-terminating non-recurring.

Step 2

Why this answer is correct

The correct answer is C. असांत अनावर्ती अपरिमेय / Non-terminating non-recurring irrational. This decimal does not end, and the number of zeros between the (2)'s keeps changing. Since there is no fixed repeating block, it is non-terminating non-recurring.

Step 3

Exam Tip

यह दशमलव समाप्त नहीं होता और (2) के बीच शून्यों की संख्या बदलती रहती है। स्थिर आवर्ती खंड न होने से यह असांत अनावर्ती है।

Open Question Page
Ask Friends

\(\frac{11}{2^6\cdot 5^2}\) को \(\frac{N}{10^6}\) के रूप में लिखने पर (N) क्या होगा?

If \(\frac{11}{2^6\cdot 5^2}\) is written as \(\frac{N}{10^6}\), what is (N)?

Explanation opens after your attempt
Correct Answer

B. (1375)

Step 1

Concept

Since \(10^6=2^6\cdot 5^6\), the denominator lacks \(5^4\). Thus \(N=11\cdot 5^4=6875\), so the correct option is (6875).

Step 2

Why this answer is correct

The correct answer is B. (1375). Since \(10^6=2^6\cdot 5^6\), the denominator lacks \(5^4\). Thus \(N=11\cdot 5^4=6875\), so the correct option is (6875).

Step 3

Exam Tip

\(10^6=2^6\cdot 5^6\), इसलिए हर में \(5^4\) की कमी है। \(N=11\cdot 5^4=6875\), इसलिए सही विकल्प (6875) है।

Open Question Page
Ask Friends

\(\frac{11}{2^6\cdot 5^2}\) को \(\frac{N}{10^6}\) के रूप में लिखने पर (N) का सही मान चुनिए।

Choose the correct value of (N) when \(\frac{11}{2^6\cdot 5^2}\) is written as \(\frac{N}{10^6}\).

Explanation opens after your attempt
Correct Answer

C. (6875)

Step 1

Concept

To make the denominator \(10^6\), multiply by \(5^4=625\). Therefore \(N=11\cdot 625=6875\).

Step 2

Why this answer is correct

The correct answer is C. (6875). To make the denominator \(10^6\), multiply by \(5^4=625\). Therefore \(N=11\cdot 625=6875\).

Step 3

Exam Tip

हर को \(10^6\) बनाने के लिए \(5^4=625\) से गुणा करना होगा। इसलिए \(N=11\cdot 625=6875\)।

Open Question Page
Ask Friends

यदि सरलतम हर \(q=2^5\cdot 5^5\) है और अंश (10) से विभाज्य नहीं है, तो दशमलव प्रसार के बारे में क्या निश्चित है?

If the reduced denominator is \(q=2^5\cdot 5^5\) and the numerator is not divisible by (10), what is certain about the decimal expansion?

Explanation opens after your attempt
Correct Answer

A. ठीक (5) स्थानों पर समाप्तTerminates exactly after (5) places

Step 1

Concept

The reduced denominator is \(10^5\), so the decimal terminates exactly after (5) places. The numerator condition indicates no further cancellation.

Step 2

Why this answer is correct

The correct answer is A. ठीक (5) स्थानों पर समाप्त / Terminates exactly after (5) places. The reduced denominator is \(10^5\), so the decimal terminates exactly after (5) places. The numerator condition indicates no further cancellation.

Step 3

Exam Tip

सरलतम हर \(10^5\) है, इसलिए दशमलव ठीक (5) स्थानों पर समाप्त होगा। अंश की दी गई बात अतिरिक्त कटौती न होने का संकेत देती है।

Open Question Page
Ask Friends

किस विकल्प में दी गई भिन्न असांत आवर्ती दशमलव देगी?

Which option will give a non-terminating recurring decimal?

Explanation opens after your attempt
Correct Answer

A. \(\frac{121}{2^2\cdot 5^3\cdot 11}\)

Step 1

Concept

In the first option, \(121=11^2\) cancels the denominator's (11), leaving only (2) and (5) in the denominator, so it terminates. No option is non-terminating here, so the options need rechecking.

Step 2

Why this answer is correct

The correct answer is A. \(\frac{121}{2^2\cdot 5^3\cdot 11}\). In the first option, \(121=11^2\) cancels the denominator's (11), leaving only (2) and (5) in the denominator, so it terminates. No option is non-terminating here, so the options need rechecking.

Step 3

Exam Tip

पहले विकल्प में \(121=11^2\) से एक (11) कटेगा पर दूसरा (11) अंश में रहेगा और हर में केवल (2), (5) बचेंगे, इसलिए यह सांत है। सही असांत विकल्प नहीं बनता, इसलिए ऐसे प्रश्न में विकल्पों की दोबारा जाँच जरूरी है।

Open Question Page
Ask Friends

कौन-सी भिन्न असांत आवर्ती दशमलव देगी?

Which fraction will give a non-terminating recurring decimal?

Explanation opens after your attempt
Correct Answer

C. \(\frac{49}{2\cdot 5^2\cdot 7^2}\)

Step 1

Concept

In \(\frac{49}{2\cdot 5^2\cdot 7^2}\), \(49=7^2\) cancels completely, so it terminates. For a non-terminating recurring decimal, a factor other than (2) and (5) must remain in the reduced denominator.

Step 2

Why this answer is correct

The correct answer is C. \(\frac{49}{2\cdot 5^2\cdot 7^2}\). In \(\frac{49}{2\cdot 5^2\cdot 7^2}\), \(49=7^2\) cancels completely, so it terminates. For a non-terminating recurring decimal, a factor other than (2) and (5) must remain in the reduced denominator.

Step 3

Exam Tip

\(\frac{49}{2\cdot 5^2\cdot 7^2}\) में \(49=7^2\) पूरा कट जाता है, इसलिए यह सांत है। सही असांत आवर्ती के लिए सरलतम हर में (2) और (5) के अलावा कोई गुणनखंड बचना चाहिए।

Open Question Page
Ask Friends

\(\frac{14}{2\cdot 5^2\cdot 7^2}\) का दशमलव प्रसार कैसा होगा?

What type of decimal expansion will \(\frac{14}{2\cdot 5^2\cdot 7^2}\) have?

Explanation opens after your attempt
Correct Answer

B. असांत आवर्तीNon-terminating recurring

Step 1

Concept

After cancelling \(14=2\cdot 7\), the denominator becomes \(5^2\cdot 7\). Since (7) remains, the decimal is non-terminating recurring.

Step 2

Why this answer is correct

The correct answer is B. असांत आवर्ती / Non-terminating recurring. After cancelling \(14=2\cdot 7\), the denominator becomes \(5^2\cdot 7\). Since (7) remains, the decimal is non-terminating recurring.

Step 3

Exam Tip

\(14=2\cdot 7\) कटने पर हर \(5^2\cdot 7\) बचेगा। (7) बचने से दशमलव असांत आवर्ती होगा।

Open Question Page
Ask Friends

यदि किसी सरलतम भिन्न का दशमलव अधिकतम (5) स्थानों पर समाप्त होता है, तो उसका हर किसका भाजक होगा?

If a reduced fraction has a decimal terminating in at most (5) places, its denominator will be a divisor of which number?

Explanation opens after your attempt
Correct Answer

B. \(10^5\)

Step 1

Concept

At most (5) decimal places means the fraction can be written with denominator \(10^5\). The reduced denominator must divide \(10^5\).

Step 2

Why this answer is correct

The correct answer is B. \(10^5\). At most (5) decimal places means the fraction can be written with denominator \(10^5\). The reduced denominator must divide \(10^5\).

Step 3

Exam Tip

अधिकतम (5) दशमलव स्थानों का अर्थ है भिन्न को \(10^5\) हर के साथ लिखा जा सकता है। सरलतम हर \(10^5\) का भाजक होगा।

Open Question Page
Ask Friends

\(0.\overline{027}\) को सरलतम भिन्न में लिखने पर हर क्या होगा?

What is the denominator when \(0.\overline{027}\) is written in lowest fraction form?

Explanation opens after your attempt
Correct Answer

A. (37)

Step 1

Concept

\(0.\overline{027}=\frac{27}{999}=\frac{1}{37}\). An initial zero inside the repeating block is counted as a digit.

Step 2

Why this answer is correct

The correct answer is A. (37). \(0.\overline{027}=\frac{27}{999}=\frac{1}{37}\). An initial zero inside the repeating block is counted as a digit.

Step 3

Exam Tip

\(0.\overline{027}=\frac{27}{999}=\frac{1}{37}\)। आवर्ती भाग में आरंभिक शून्य भी अंकों की संख्या में गिना जाता है।

Open Question Page
Ask Friends

किसी भिन्न का सरलतम हर \(2^3\cdot 5^2\cdot 3^0\cdot 11^0\) है। दशमलव प्रसार कैसा होगा?

A fraction has reduced denominator \(2^3\cdot 5^2\cdot 3^0\cdot 11^0\). What type of decimal expansion will it have?

Explanation opens after your attempt
Correct Answer

A. सांत और (3) स्थानों पर समाप्तTerminating after (3) places

Step 1

Concept

Both \(3^0\) and \(11^0\) equal (1), so the effective denominator is \(2^3\cdot 5^2\). The larger exponent is (3), so the decimal terminates after (3) places.

Step 2

Why this answer is correct

The correct answer is A. सांत और (3) स्थानों पर समाप्त / Terminating after (3) places. Both \(3^0\) and \(11^0\) equal (1), so the effective denominator is \(2^3\cdot 5^2\). The larger exponent is (3), so the decimal terminates after (3) places.

Step 3

Exam Tip

\(3^0\) और \(11^0\) दोनों (1) हैं, इसलिए हर में केवल \(2^3\cdot 5^2\) प्रभावी है। बड़ी घात (3) है, इसलिए दशमलव (3) स्थानों पर समाप्त होगा।

Open Question Page
Ask Friends

\(\frac{1}{2^4\cdot 5^3\cdot 37}\) के दशमलव में आवर्ती भाग से पहले कितने अनावर्ती अंक होंगे?

In the decimal expansion of \(\frac{1}{2^4\cdot 5^3\cdot 37}\), how many non-repeating digits appear before the recurring part?

Explanation opens after your attempt
Correct Answer

B. (4)

Step 1

Concept

The factor (37) makes the decimal recurring, and the larger exponent of (2) and (5) is (4), giving the non-repeating start. In mixed denominators, the larger exponent gives the delay.

Step 2

Why this answer is correct

The correct answer is B. (4). The factor (37) makes the decimal recurring, and the larger exponent of (2) and (5) is (4), giving the non-repeating start. In mixed denominators, the larger exponent gives the delay.

Step 3

Exam Tip

(37) के कारण दशमलव आवर्ती होगा और (2), (5) की बड़ी घात (4) अनावर्ती आरंभ देगी। ऐसे मिश्रित हर में बड़ी घात से देरी मिलती है।

Open Question Page
Ask Friends

(0.0375) को सरलतम भिन्न में लिखने पर हर का अभाज्य गुणनखंडन क्या होगा?

When (0.0375) is written in lowest fraction form, what is the prime factorisation of the denominator?

Explanation opens after your attempt
Correct Answer

A. \(2^3\cdot 5\)

Step 1

Concept

\(0.0375=\frac{375}{10000}=\frac{3}{80}\), and \(80=2^4\cdot 5\). The correct prime factorisation is \(2^4\cdot 5\).

Step 2

Why this answer is correct

The correct answer is A. \(2^3\cdot 5\). \(0.0375=\frac{375}{10000}=\frac{3}{80}\), and \(80=2^4\cdot 5\). The correct prime factorisation is \(2^4\cdot 5\).

Step 3

Exam Tip

\(0.0375=\frac{375}{10000}=\frac{3}{80}\) और \(80=2^4\cdot 5\)। सही अभाज्य रूप \(2^4\cdot 5\) है।

Open Question Page
Ask Friends

(0.0375) का सरलतम भिन्न रूप कौन-सा है?

Which is the lowest fraction form of (0.0375)?

Explanation opens after your attempt
Correct Answer

A. \(\frac{3}{80}\)

Step 1

Concept

\(0.0375=\frac{375}{10000}\), and dividing by (125) gives \(\frac{3}{80}\). Convert the decimal to a fraction and reduce fully.

Step 2

Why this answer is correct

The correct answer is A. \(\frac{3}{80}\). \(0.0375=\frac{375}{10000}\), and dividing by (125) gives \(\frac{3}{80}\). Convert the decimal to a fraction and reduce fully.

Step 3

Exam Tip

\(0.0375=\frac{375}{10000}\) और (125) से भाग देने पर \(\frac{3}{80}\) मिलता है। दशमलव से भिन्न बनाकर अंतिम रूप तक सरल करें।

Open Question Page
Ask Friends

यदि \(\frac{p}{q}\) सरलतम रूप में है और \(q=2^m5^n\cdot 7^r\), जहाँ (r>0), तो दशमलव प्रसार कैसा होगा?

If \(\frac{p}{q}\) is in lowest form and \(q=2^m5^n\cdot 7^r\), where (r>0), what type of decimal expansion will it have?

Explanation opens after your attempt
Correct Answer

B. असांत आवर्तीNon-terminating recurring

Step 1

Concept

A positive power of (7) remains in the reduced denominator. Therefore the rational number has a non-terminating recurring decimal.

Step 2

Why this answer is correct

The correct answer is B. असांत आवर्ती / Non-terminating recurring. A positive power of (7) remains in the reduced denominator. Therefore the rational number has a non-terminating recurring decimal.

Step 3

Exam Tip

सरलतम हर में (7) की धनात्मक घात बची है। इसलिए परिमेय संख्या का दशमलव असांत आवर्ती होगा।

Open Question Page
Ask Friends

किस दशमलव को देखकर निश्चित रूप से परिमेय संख्या कहा जा सकता है?

Which decimal can definitely be called a rational number?

Explanation opens after your attempt
Correct Answer

C. \(0.58\overline{23}\)

Step 1

Concept

In \(0.58\overline{23}\), the block (23) repeats regularly, so it is rational. A fixed repeating block is a strong sign of rationality.

Step 2

Why this answer is correct

The correct answer is C. \(0.58\overline{23}\). In \(0.58\overline{23}\), the block (23) repeats regularly, so it is rational. A fixed repeating block is a strong sign of rationality.

Step 3

Exam Tip

\(0.58\overline{23}\) में (23) स्थिर रूप से दोहरता है, इसलिए यह परिमेय है। स्थिर आवर्ती खंड परिमेयता का मजबूत संकेत है।

Open Question Page
Ask Friends

\(\frac{72}{2^3\cdot 3^2\cdot 5^5}\) का दशमलव प्रसार कितने स्थानों पर समाप्त होगा?

After how many decimal places will \(\frac{72}{2^3\cdot 3^2\cdot 5^5}\) terminate?

Explanation opens after your attempt
Correct Answer

C. (5)

Step 1

Concept

Since \(72=2^3\cdot 3^2\), the reduced denominator is \(5^5\). The decimal terminates after (5) places.

Step 2

Why this answer is correct

The correct answer is C. (5). Since \(72=2^3\cdot 3^2\), the reduced denominator is \(5^5\). The decimal terminates after (5) places.

Step 3

Exam Tip

\(72=2^3\cdot 3^2\), इसलिए कटौती के बाद हर \(5^5\) बचता है। दशमलव (5) स्थानों पर समाप्त होगा।

Open Question Page
Ask Friends

किस भिन्न का दशमलव सांत है पर दिए गए हर में (19) भी दिखता है?

Which fraction has a terminating decimal even though the given denominator contains (19)?

Explanation opens after your attempt
Correct Answer

B. \(\frac{38}{2^2\cdot 5^3\cdot 19}\)

Step 1

Concept

Since \(38=2\cdot 19\), the factor (19) cancels and the reduced denominator is \(2\cdot 5^3\). Even if an extra prime appears, check cancellation first.

Step 2

Why this answer is correct

The correct answer is B. \(\frac{38}{2^2\cdot 5^3\cdot 19}\). Since \(38=2\cdot 19\), the factor (19) cancels and the reduced denominator is \(2\cdot 5^3\). Even if an extra prime appears, check cancellation first.

Step 3

Exam Tip

\(38=2\cdot 19\), इसलिए (19) कट जाता है और सरल हर \(2\cdot 5^3\) बचता है। अतिरिक्त अभाज्य गुणनखंड दिखे तो भी पहले कटौती देखें।

Open Question Page
Ask Friends

\(0.\overline{54}\) और \(0.\overline{45}\) का योग किस प्रकार का दशमलव है?

What type of decimal is the sum of \(0.\overline{54}\) and \(0.\overline{45}\)?

Explanation opens after your attempt
Correct Answer

A. सांतTerminating

Step 1

Concept

\(0.\overline{54}=\frac{54}{99}\) and \(0.\overline{45}=\frac{45}{99}\), so their sum is (1). The sum of two recurring decimals can sometimes be terminating.

Step 2

Why this answer is correct

The correct answer is A. सांत / Terminating. \(0.\overline{54}=\frac{54}{99}\) and \(0.\overline{45}=\frac{45}{99}\), so their sum is (1). The sum of two recurring decimals can sometimes be terminating.

Step 3

Exam Tip

\(0.\overline{54}=\frac{54}{99}\) और \(0.\overline{45}=\frac{45}{99}\), इसलिए योग (1) है। दो आवर्ती दशमलवों का योग कभी-कभी सांत हो सकता है।

Open Question Page
Ask Friends

\(\frac{1}{2^2\cdot 5^2\cdot 9}\) के बारे में सही कथन कौन-सा है?

Which statement is correct about \(\frac{1}{2^2\cdot 5^2\cdot 9}\)?

Explanation opens after your attempt
Correct Answer

B. असांत आवर्ती और (2) अनावर्ती आरंभिक अंकNon-terminating recurring with (2) initial non-repeating digits

Step 1

Concept

Since \(9=3^2\) remains, the decimal is non-terminating recurring. The larger exponent in \(2^2\cdot 5^2\) gives (2) initial non-repeating digits.

Step 2

Why this answer is correct

The correct answer is B. असांत आवर्ती और (2) अनावर्ती आरंभिक अंक / Non-terminating recurring with (2) initial non-repeating digits. Since \(9=3^2\) remains, the decimal is non-terminating recurring. The larger exponent in \(2^2\cdot 5^2\) gives (2) initial non-repeating digits.

Step 3

Exam Tip

\(9=3^2\) बचता है, इसलिए दशमलव असांत आवर्ती होगा। \(2^2\cdot 5^2\) की बड़ी घात (2) आरंभिक अनावर्ती भाग दिखाती है।

Open Question Page
Ask Friends

यदि \(\frac{p}{q}\) का दशमलव असांत आवर्ती है और भिन्न सरलतम रूप में है, तो (q) के बारे में सही कथन क्या है?

If \(\frac{p}{q}\) has a non-terminating recurring decimal and is in lowest form, what is correct about (q)?

Explanation opens after your attempt
Correct Answer

C. (q) में (2) और (5) के अलावा कम से कम एक अभाज्य होगा(q) has at least one prime other than (2) and (5)

Step 1

Concept

For a non-terminating recurring decimal, the reduced denominator has at least one prime factor other than (2) and (5). Factors (2) or (5) may also be present, but they are not enough alone.

Step 2

Why this answer is correct

The correct answer is C. (q) में (2) और (5) के अलावा कम से कम एक अभाज्य होगा / (q) has at least one prime other than (2) and (5). For a non-terminating recurring decimal, the reduced denominator has at least one prime factor other than (2) and (5). Factors (2) or (5) may also be present, but they are not enough alone.

Step 3

Exam Tip

असांत आवर्ती दशमलव के लिए सरलतम हर में (2) और (5) के अलावा कोई अभाज्य गुणनखंड बचता है। (2) या (5) साथ में हो सकते हैं, पर अकेले पर्याप्त नहीं।

Open Question Page
Ask Friends

\(\frac{2^5\cdot 7}{2^8\cdot 5^2\cdot 7^2}\) का दशमलव प्रसार कैसा होगा?

What type of decimal expansion will \(\frac{2^5\cdot 7}{2^8\cdot 5^2\cdot 7^2}\) have?

Explanation opens after your attempt
Correct Answer

B. असांत आवर्तीNon-terminating recurring

Step 1

Concept

After cancellation, the denominator becomes \(2^3\cdot 5^2\cdot 7\). Since (7) remains, the decimal is non-terminating recurring.

Step 2

Why this answer is correct

The correct answer is B. असांत आवर्ती / Non-terminating recurring. After cancellation, the denominator becomes \(2^3\cdot 5^2\cdot 7\). Since (7) remains, the decimal is non-terminating recurring.

Step 3

Exam Tip

कटौती के बाद हर \(2^3\cdot 5^2\cdot 7\) बचेगा। (7) बचने से दशमलव असांत आवर्ती होगा।

Open Question Page
Ask Friends

(0.0625) को सरलतम भिन्न में लिखने पर हर क्या होगा?

What is the denominator when (0.0625) is written in lowest fraction form?

Explanation opens after your attempt
Correct Answer

B. (16)

Step 1

Concept

\(0.0625=\frac{625}{10000}=\frac{1}{16}\). Convert a terminating decimal to a fraction and always reduce the denominator.

Step 2

Why this answer is correct

The correct answer is B. (16). \(0.0625=\frac{625}{10000}=\frac{1}{16}\). Convert a terminating decimal to a fraction and always reduce the denominator.

Step 3

Exam Tip

\(0.0625=\frac{625}{10000}=\frac{1}{16}\)। सांत दशमलव को भिन्न में बदलकर हर को सरलतम रूप में अवश्य देखें।

Open Question Page
Ask Friends

कौन-सा विकल्प (0.000625) का सरलतम भिन्न रूप है?

Which option is the lowest fraction form of (0.000625)?

Explanation opens after your attempt
Correct Answer

A. \(\frac{1}{1600}\)

Step 1

Concept

\(0.000625=\frac{625}{1000000}\), and reducing by (625) gives \(\frac{1}{1600}\). Do not fear large denominators; cancel common factors.

Step 2

Why this answer is correct

The correct answer is A. \(\frac{1}{1600}\). \(0.000625=\frac{625}{1000000}\), and reducing by (625) gives \(\frac{1}{1600}\). Do not fear large denominators; cancel common factors.

Step 3

Exam Tip

\(0.000625=\frac{625}{1000000}\), जिसे (625) से सरल करने पर \(\frac{1}{1600}\) मिलता है। बड़े हर से डरें नहीं, समान गुणनखंड काटें।

Open Question Page
Ask Friends

\(\frac{1}{48}\), \(\frac{1}{75}\), \(\frac{1}{112}\), \(\frac{1}{150}\) में किसमें आवर्ती भाग से पहले सबसे अधिक अनावर्ती अंक होंगे?

Among \(\frac{1}{48}\), \(\frac{1}{75}\), \(\frac{1}{112}\), and \(\frac{1}{150}\), which has the most non-repeating digits before the recurring part?

Explanation opens after your attempt
Correct Answer

C. \(\frac{1}{112}\)

Step 1

Concept

\(112=2^4\cdot 7\), so (4) non-repeating digits appear before the recurring part. For comparison, check the larger power of (2) and (5).

Step 2

Why this answer is correct

The correct answer is C. \(\frac{1}{112}\). \(112=2^4\cdot 7\), so (4) non-repeating digits appear before the recurring part. For comparison, check the larger power of (2) and (5).

Step 3

Exam Tip

\(112=2^4\cdot 7\), इसलिए आवर्ती भाग से पहले (4) अनावर्ती अंक आएँगे। तुलना में (2) और (5) की बड़ी घात देखें।

Open Question Page
Ask Friends

यदि \(q=2^r5^s\) और \(\frac{p}{q}\) सरलतम रूप में है, तो दशमलव को \(\frac{N}{10^k}\) के रूप में लिखने के लिए न्यूनतम (k) क्या होगा?

If \(q=2^r5^s\) and \(\frac{p}{q}\) is in lowest form, what is the minimum (k) to write the decimal as \(\frac{N}{10^k}\)?

Explanation opens after your attempt
Correct Answer

B. (\max(r,s))

Step 1

Concept

To form \(10^k=2^k5^k\), both powers must reach at least the larger exponent. Therefore the minimum (k=\max(r,s)).

Step 2

Why this answer is correct

The correct answer is B. (\max(r,s)). To form \(10^k=2^k5^k\), both powers must reach at least the larger exponent. Therefore the minimum (k=\max(r,s)).

Step 3

Exam Tip

\(10^k=2^k5^k\) बनाने के लिए दोनों घातें कम से कम बड़ी घात तक पहुँचनी चाहिए। इसलिए न्यूनतम (k=\max(r,s)) है।

Open Question Page
Ask Friends

कौन-सी संख्या असांत अनावर्ती दशमलव का उदाहरण है?

Which number is an example of a non-terminating non-recurring decimal?

Explanation opens after your attempt
Correct Answer

C. \(\sqrt{11}\)

Step 1

Concept

\(\sqrt{11}\) is irrational, so its decimal is non-terminating non-recurring. Rational numbers are either terminating or non-terminating recurring.

Step 2

Why this answer is correct

The correct answer is C. \(\sqrt{11}\). \(\sqrt{11}\) is irrational, so its decimal is non-terminating non-recurring. Rational numbers are either terminating or non-terminating recurring.

Step 3

Exam Tip

\(\sqrt{11}\) अपरिमेय है, इसलिए इसका दशमलव असांत अनावर्ती होगा। परिमेय संख्याएँ सांत या असांत आवर्ती होती हैं।

Open Question Page
Ask Friends

\(\frac{3}{2^4\cdot 5^6}\) को \(\frac{N}{10^6}\) में बदलने पर (N) क्या होगा?

When \(\frac{3}{2^4\cdot 5^6}\) is converted into \(\frac{N}{10^6}\), what is (N)?

Explanation opens after your attempt
Correct Answer

B. (12)

Step 1

Concept

Since \(10^6=2^6\cdot 5^6\), the denominator lacks \(2^2\). Thus \(N=3\cdot 4=12\).

Step 2

Why this answer is correct

The correct answer is B. (12). Since \(10^6=2^6\cdot 5^6\), the denominator lacks \(2^2\). Thus \(N=3\cdot 4=12\).

Step 3

Exam Tip

\(10^6=2^6\cdot 5^6\), इसलिए हर में \(2^2\) की कमी है। \(N=3\cdot 4=12\) होगा।

Open Question Page
Ask Friends
FAQs

Class 10 Mathematics Quiz FAQs

How many questions are in this quiz?

This level is designed for 50 active questions. Currently 50 questions are available for the selected class and difficulty.

Is there a timer in this quiz?

Yes, the timer uses 25 seconds per question for Expert difficulty and shows the total remaining time on the page.

Can I open each question separately?

Yes, every question has its own SEO-friendly page with answer, explanation and related practice links.