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84 results found for "dependent-cases" in Class 10.

समीकरणों (9x+16y=77) और (27x+48y=s) के संगत और आश्रित होने के लिए (s) क्या होगा?

What should (s) be for the equations (9x+16y=77) and (27x+48y=s) to be consistent and dependent?

Explanation opens after your attempt
Correct Answer

C. (231)

Step 1

Concept

To be consistent and dependent, the second equation must be (3) times the first. Hence, (s=231).

Step 2

Why this answer is correct

The correct answer is C. (231). To be consistent and dependent, the second equation must be (3) times the first. Hence, (s=231).

Step 3

Exam Tip

संगत और आश्रित होने के लिए दूसरा समीकरण पहले का (3) गुना होना चाहिए। अतः (s=231)।

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समीकरणों (7x+13y=67) और (21x+39y=s) के संगत और आश्रित होने के लिए (s) क्या होगा?

What should (s) be for the equations (7x+13y=67) and (21x+39y=s) to be consistent and dependent?

Explanation opens after your attempt
Correct Answer

C. (201)

Step 1

Concept

To be consistent and dependent, the second equation must be (3) times the first. Hence, (s=201).

Step 2

Why this answer is correct

The correct answer is C. (201). To be consistent and dependent, the second equation must be (3) times the first. Hence, (s=201).

Step 3

Exam Tip

संगत और आश्रित होने के लिए दूसरा समीकरण पहले का (3) गुना होना चाहिए। अतः (s=201)।

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समीकरणों (6x+11y=53) और (18x+33y=s) के संगत और आश्रित होने के लिए (s) क्या होगा?

What should (s) be for the equations (6x+11y=53) and (18x+33y=s) to be consistent and dependent?

Explanation opens after your attempt
Correct Answer

C. (159)

Step 1

Concept

To be consistent and dependent, the second equation must be (3) times the first. Hence, (s=159).

Step 2

Why this answer is correct

The correct answer is C. (159). To be consistent and dependent, the second equation must be (3) times the first. Hence, (s=159).

Step 3

Exam Tip

संगत और आश्रित होने के लिए दूसरा समीकरण पहले का (3) गुना होना चाहिए। अतः (s=159)।

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समीकरणों (5x+6y=31) और (15x+18y=r) के संगत और आश्रित होने के लिए (r) क्या होगा?

What should (r) be for the equations (5x+6y=31) and (15x+18y=r) to be consistent and dependent?

Explanation opens after your attempt
Correct Answer

D. (93)

Step 1

Concept

To be consistent and dependent, the second equation must be (3) times the first. Hence, (r=93).

Step 2

Why this answer is correct

The correct answer is D. (93). To be consistent and dependent, the second equation must be (3) times the first. Hence, (r=93).

Step 3

Exam Tip

संगत और आश्रित होने के लिए दूसरा समीकरण पहले का (3) गुना होना चाहिए। अतः (r=93)।

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समीकरणों (4x+5y=29) और (8x+10y=s) के संगत और आश्रित होने के लिए (s) क्या होगा?

What should (s) be for the equations (4x+5y=29) and (8x+10y=s) to be consistent and dependent?

Explanation opens after your attempt
Correct Answer

C. (58)

Step 1

Concept

To be consistent and dependent, the second equation must be (2) times the first. Hence, (s=58).

Step 2

Why this answer is correct

The correct answer is C. (58). To be consistent and dependent, the second equation must be (2) times the first. Hence, (s=58).

Step 3

Exam Tip

संगत और आश्रित होने के लिए दूसरा समीकरण पहले का (2) गुना होना चाहिए। अतः (s=58)।

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समीकरण (4x+5y=29) और (8x+10y=s) के संगत और आश्रित होने के लिए (s) क्या होगा?

What should (s) be for (4x+5y=29) and (8x+10y=s) to be consistent and dependent?

Explanation opens after your attempt
Correct Answer

C. (58)

Step 1

Concept

To be consistent and dependent the second equation must be (2) times the first. Hence (s=58).

Step 2

Why this answer is correct

The correct answer is C. (58). To be consistent and dependent the second equation must be (2) times the first. Hence (s=58).

Step 3

Exam Tip

संगत और आश्रित होने के लिए दूसरा समीकरण पहले का (2) गुना होना चाहिए। अतः (s=58)।

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समीकरण (2x+5y=17) और (4x+10y=s) के संगत और आश्रित होने के लिए (s) क्या होगा?

What should (s) be for (2x+5y=17) and (4x+10y=s) to be consistent and dependent?

Explanation opens after your attempt
Correct Answer

C. (34)

Step 1

Concept

To be consistent and dependent, the second equation must be (2) times the first. Hence, (s=34).

Step 2

Why this answer is correct

The correct answer is C. (34). To be consistent and dependent, the second equation must be (2) times the first. Hence, (s=34).

Step 3

Exam Tip

संगत और आश्रित होने के लिए दूसरा समीकरण पहले का (2) गुना होना चाहिए। अतः (s=34)।

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समीकरण (x+4y=9) और (2x+8y=s) के संगत और आश्रित होने के लिए (s) क्या होगा?

What should (s) be for (x+4y=9) and (2x+8y=s) to be consistent and dependent?

Explanation opens after your attempt
Correct Answer

C. (18)

Step 1

Concept

To be consistent and dependent, the second equation must be (2) times the first. Hence, (s=18).

Step 2

Why this answer is correct

The correct answer is C. (18). To be consistent and dependent, the second equation must be (2) times the first. Hence, (s=18).

Step 3

Exam Tip

संगत और आश्रित होने के लिए दूसरा समीकरण पहले का (2) गुना होना चाहिए। अतः (s=18)।

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नीचे में से कौन-सा युग्म संगत और आश्रित है?

Which of the following pairs is consistent and dependent?

Explanation opens after your attempt
Correct Answer

B. (x-2y=5) और (3x-6y=15)(x-2y=5) and (3x-6y=15)

Step 1

Concept

In the second option the second equation is (3) times the first. Therefore both are the same line and the pair is dependent.

Step 2

Why this answer is correct

The correct answer is B. (x-2y=5) और (3x-6y=15) / (x-2y=5) and (3x-6y=15). In the second option the second equation is (3) times the first. Therefore both are the same line and the pair is dependent.

Step 3

Exam Tip

दूसरे विकल्प में दूसरा समीकरण पहले का (3) गुना है। इसलिए दोनों एक ही रेखा हैं और युग्म आश्रित है।

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किस स्थिति में दो रैखिक समीकरणों का युग्म संगत और आश्रित कहलाता है?

In which condition is a pair of two linear equations called consistent and dependent?

Explanation opens after your attempt
Correct Answer

A. जब (a_1a_2=b_1 / b_2=c_1 / c_2) हो / When \(a_1 / c_2\)

Step 1

Concept

If all three ratios are equal both equations represent the same line. This is a consistent and dependent pair.

Step 2

Why this answer is correct

The correct answer is A. जब \(a_1 / a_2=b_1 / b_2=c_1 / c_2\) हो / When \(a_1 / c_2\). If all three ratios are equal both equations represent the same line. This is a consistent and dependent pair.

Step 3

Exam Tip

तीनों अनुपात बराबर हों तो दोनों समीकरण समान रेखा दर्शाते हैं। यही संगत और आश्रित युग्म है।

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संगत और आश्रित युग्म में हलों की संख्या क्या होती है?

How many solutions are there in a consistent and dependent pair?

Explanation opens after your attempt
Correct Answer

D. अनंत हलInfinitely many solutions

Step 1

Concept

In a consistent and dependent pair both equations represent the same line. Therefore every common point is a solution.

Step 2

Why this answer is correct

The correct answer is D. अनंत हल / Infinitely many solutions. In a consistent and dependent pair both equations represent the same line. Therefore every common point is a solution.

Step 3

Exam Tip

संगत और आश्रित युग्म में दोनों समीकरण एक ही रेखा दर्शाते हैं। इसलिए हर सामान्य बिंदु हल होता है।

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किस युग्म का ग्राफ संगत और आश्रित युग्म दिखाता है?

Which pair shows a consistent and dependent pair on the graph?

Explanation opens after your attempt
Correct Answer

A. (2x-y=7), (4x-2y=14)

Step 1

Concept

The second equation is (2) times the first, so the lines are coincident. Coincident lines give a consistent and dependent pair.

Step 2

Why this answer is correct

The correct answer is A. (2x-y=7), (4x-2y=14). The second equation is (2) times the first, so the lines are coincident. Coincident lines give a consistent and dependent pair.

Step 3

Exam Tip

दूसरा समीकरण पहले का (2) गुना है, इसलिए रेखाएं संपाती हैं। संपाती रेखाएं संगत और आश्रित युग्म देती हैं।

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कौन-सा समीकरण युग्म संगत और आश्रित है?

Which pair of equations is consistent and dependent?

Explanation opens after your attempt
Correct Answer

A. (2x+y=6) और (4x+2y=12)(2x+y=6) and (4x+2y=12)

Step 1

Concept

The second equation is (2) times the first. Hence the lines are coincident and the pair is consistent dependent.

Step 2

Why this answer is correct

The correct answer is A. (2x+y=6) और (4x+2y=12) / (2x+y=6) and (4x+2y=12). The second equation is (2) times the first. Hence the lines are coincident and the pair is consistent dependent.

Step 3

Exam Tip

दूसरा समीकरण पहले का (2) गुना है। इसलिए दोनों रेखाएँ संपाती हैं और युग्म संगत आश्रित है।

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हिमनदों से पोषित हिमालयी नदियों की तुलना वर्षा पर निर्भर प्रायद्वीपीय नदियों से कैसे की जाती है?

How are glacier fed Himalayan rivers compared with rain dependent Peninsular rivers?

Explanation opens after your attempt
Correct Answer

A. हिमालयी नदियां सामान्यतः अधिक बारहमासी होती हैंHimalayan rivers are generally more perennial

Step 1

Concept

Himalayan rivers get water from both glaciers and rainfall. For exams remember the link between source and flow.

Step 2

Why this answer is correct

The correct answer is A. हिमालयी नदियां सामान्यतः अधिक बारहमासी होती हैं / Himalayan rivers are generally more perennial. Himalayan rivers get water from both glaciers and rainfall. For exams remember the link between source and flow.

Step 3

Exam Tip

हिमालयी नदियों को हिमनद और वर्षा दोनों से जल मिलता है। परीक्षा में स्रोत और प्रवाह का संबंध याद रखें।

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औपनिवेशिक नकदी फसल नीति किसानों को बाजार पर निर्भर कैसे बना सकती थी?

How could colonial cash crop policy make peasants dependent on markets?

Explanation opens after your attempt
Correct Answer

A. खाद्य फसलों की जगह बिकाऊ फसलों पर दबाव डालकरBy pressuring them toward saleable crops instead of food crops

Step 1

Concept

Cash crop and tax policy affected peasant livelihoods. For exams remember rural crisis.

Step 2

Why this answer is correct

The correct answer is A. खाद्य फसलों की जगह बिकाऊ फसलों पर दबाव डालकर / By pressuring them toward saleable crops instead of food crops. Cash crop and tax policy affected peasant livelihoods. For exams remember rural crisis.

Step 3

Exam Tip

नकदी फसल और कर नीति ने किसानों की आजीविका को प्रभावित किया। परीक्षा में ग्रामीण संकट याद रखें।

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बैटल ऑफ द बुल्ज में जर्मन योजना मौसम और ईंधन पर क्यों निर्भर थी?

Why was the German plan in the Battle of the Bulge dependent on weather and fuel?

Explanation opens after your attempt
Correct Answer

A. खराब मौसम मित्र वायु शक्ति घटाता था और ईंधन तेज बख्तरबंद बढ़त के लिए जरूरी थाBad weather reduced Allied air power and fuel was needed for fast armored advance

Step 1

Concept

The German offensive depended on limited resources and weather. For exams understand weakness of the final offensive.

Step 2

Why this answer is correct

The correct answer is A. खराब मौसम मित्र वायु शक्ति घटाता था और ईंधन तेज बख्तरबंद बढ़त के लिए जरूरी था / Bad weather reduced Allied air power and fuel was needed for fast armored advance. The German offensive depended on limited resources and weather. For exams understand weakness of the final offensive.

Step 3

Exam Tip

जर्मन आक्रमण की सफलता सीमित संसाधनों और मौसम पर निर्भर थी। परीक्षा में अंतिम आक्रमण की कमजोरी समझें।

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गुडेम पहाड़ियों में आंदोलन करने वाले आदिवासी किस चीज पर अधिक निर्भर थे?

What were the tribals protesting in the Gudem Hills mostly dependent on?

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Correct Answer

A. जंगलों और वन उपज परForests and forest produce

Step 1

Concept

The life of hill tribals was closely linked with forests.

Step 2

Why this answer is correct

Forest produce grazing and cultivation supported their livelihood.

Step 3

Exam Tip

In tribal questions treat forests as the main context. चरण 1: पहाड़ी आदिवासियों का जीवन जंगलों से जुड़ा था। चरण 2: वन उपज चराई और खेती से उनकी रोजी चलती थी। चरण 3: आदिवासी प्रश्नों में जंगल को मुख्य संदर्भ मानें।

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फ्लोएम में भोजन का स्थानांतरण ऊर्जा पर निर्भर क्यों है?

Why is translocation of food in phloem energy dependent?

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Correct Answer

A. क्योंकि शर्करा को चलनी नलिकाओं में सक्रिय रूप से लादा जाता हैBecause sugar is actively loaded into sieve tubes

Step 1

Concept

Sugar made in leaves is loaded into phloem.

Step 2

Why this answer is correct

This loading uses energy.

Step 3

Exam Tip

A pressure difference then moves food to parts that need it. चरण 1: पत्तियों में बनी शर्करा को फ्लोएम में लादा जाता है। चरण 2: यह लादना ऊर्जा की सहायता से होता है। चरण 3: दाब अंतर बनने पर भोजन जरूरत वाले भागों तक चलता है।

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जाइलम में जल का ऊपर जाना केवल जड़ से धक्का लगने पर निर्भर नहीं माना जाता। पत्तियां इसमें कैसे मदद करती हैं?

Upward movement of water in xylem is not considered dependent only on push from roots. How do leaves help in it?

Explanation opens after your attempt
Correct Answer

A. वाष्पोत्सर्जन से ऊपर की ओर खिंचाव बनाकरBy creating upward pull through transpiration

Step 1

Concept

Water vapour leaves from leaves.

Step 2

Why this answer is correct

This creates an upward pull in xylem.

Step 3

Exam Tip

This pull helps move water from roots to leaves. चरण 1: पत्तियों से जल वाष्प बाहर निकलती है। चरण 2: इससे जाइलम में ऊपर की ओर खिंचाव पैदा होता है। चरण 3: यह खिंचाव जड़ों से पत्तियों तक जल पहुंचाने में मदद करता है।

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शरीर में जीवन प्रक्रियाएं अलग अलग होते हुए भी एक दूसरे पर निर्भर क्यों हैं?

Why are life processes dependent on each other though they are different?

Explanation opens after your attempt
Correct Answer

A. क्योंकि पोषण पदार्थ देता है श्वसन ऊर्जा देता है परिवहन पहुंचाता है और उत्सर्जन अपशिष्ट हटाता हैBecause nutrition gives materials respiration gives energy transport delivers and excretion removes wastes

Step 1

Concept

Each life process performs a different function.

Step 2

Why this answer is correct

Cells need nutrients oxygen energy and waste removal together.

Step 3

Exam Tip

Therefore life processes work together to maintain life. चरण 1: प्रत्येक जीवन प्रक्रिया अलग काम करती है। चरण 2: फिर भी कोशिकाओं को पोषण ऑक्सीजन ऊर्जा और अपशिष्ट निष्कासन साथ साथ चाहिए। चरण 3: इसलिए जीवन प्रक्रियाएं मिलकर जीवन बनाए रखती हैं।

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फ्लोएम में भोजन का परिवहन ऊर्जा पर निर्भर क्यों माना जाता है?

Why is food transport in phloem considered energy dependent?

Explanation opens after your attempt
Correct Answer

A. क्योंकि भोजन को स्रोत से आवश्यकता वाले भागों तक सक्रिय रूप से भेजना पड़ता हैBecause food must be actively moved from source to parts that need it

Step 1

Concept

Food is made in leaves.

Step 2

Why this answer is correct

It must reach storage and growing parts.

Step 3

Exam Tip

This translocation may need energy. चरण 1: भोजन पत्तियों में बनता है। चरण 2: उसे भंडारण और वृद्धि वाले भागों तक पहुंचाना होता है। चरण 3: इस स्थानांतरण में ऊर्जा की जरूरत पड़ सकती है।

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रवांडा और बोस्निया के संदर्भ संयुक्त राष्ट्र की किस आलोचना को मजबूत करते हैं?

The cases of Rwanda and Bosnia strengthen which criticism of the United Nations?

Explanation opens after your attempt
Correct Answer

A. कई बार समय पर प्रभावी हस्तक्षेप करने में कमजोरीWeakness in timely and effective intervention in some cases

Step 1

Concept

These crises raised serious questions about the UN's response capacity. Exam tip: remember them as examples of limitations.

Step 2

Why this answer is correct

The correct answer is A. कई बार समय पर प्रभावी हस्तक्षेप करने में कमजोरी / Weakness in timely and effective intervention in some cases. These crises raised serious questions about the UN's response capacity. Exam tip: remember them as examples of limitations.

Step 3

Exam Tip

इन संकटों ने संयुक्त राष्ट्र की प्रतिक्रिया क्षमता पर गंभीर प्रश्न उठाए। परीक्षा में इन्हें सीमाओं के उदाहरण के रूप में याद रखें।

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जूनागढ़ और हैदराबाद के मामलों से रियासत नीति की कौन सी विशेषता स्पष्ट होती है?

Which feature of princely state policy becomes clear from Junagadh and Hyderabad cases?

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Correct Answer

A. हर रियासत की स्थिति के अनुसार अलग रणनीति अपनाई गईDifferent strategy was adopted according to each state's situation

Step 1

Concept

Plebiscite in Junagadh and action in Hyderabad were decisive. Exam tip: compare both examples.

Step 2

Why this answer is correct

The correct answer is A. हर रियासत की स्थिति के अनुसार अलग रणनीति अपनाई गई / Different strategy was adopted according to each state's situation. Plebiscite in Junagadh and action in Hyderabad were decisive. Exam tip: compare both examples.

Step 3

Exam Tip

जूनागढ़ में जनमत और हैदराबाद में कार्रवाई निर्णायक रही। परीक्षा में दोनों उदाहरणों की तुलना करें।

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रियासतों के एकीकरण में जूनागढ़ हैदराबाद और कश्मीर जैसे मामलों से क्या स्पष्ट होता है?

What becomes clear from cases like Junagadh Hyderabad and Kashmir in the integration of princely states?

Explanation opens after your attempt
Correct Answer

A. हर रियासत की स्थिति अलग थी और एक ही तरीका पर्याप्त नहीं थाEach princely state had a different situation and one method was not enough

Step 1

Concept

Integration needed diplomacy legal documents and sometimes pressure. Exam tip is to remember Patel and V P Menon.

Step 2

Why this answer is correct

The correct answer is A. हर रियासत की स्थिति अलग थी और एक ही तरीका पर्याप्त नहीं था / Each princely state had a different situation and one method was not enough. Integration needed diplomacy legal documents and sometimes pressure. Exam tip is to remember Patel and V P Menon.

Step 3

Exam Tip

एकीकरण में कूटनीति कानूनी दस्तावेज और कभी दबाव की जरूरत पड़ी। परीक्षा में पटेल और वी पी मेनन याद रखें।

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समीकरणों (30x+45y=210) और (2x+3y=14) का युग्म किस प्रकार का है?

What type of pair is formed by the equations (30x+45y=210) and (2x+3y=14)?

Explanation opens after your attempt
Correct Answer

A. संगत और आश्रितConsistent and dependent

Step 1

Concept

The first equation is (15) times the second. Therefore, both are the same line and the pair is dependent.

Step 2

Why this answer is correct

The correct answer is A. संगत और आश्रित / Consistent and dependent. The first equation is (15) times the second. Therefore, both are the same line and the pair is dependent.

Step 3

Exam Tip

पहला समीकरण दूसरे का (15) गुना है। इसलिए दोनों एक ही रेखा हैं और युग्म आश्रित है।

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समीकरणों (7x+dy=63) और (28x+36y=252) के अनंत हल होने के लिए (d) का मान क्या है?

What is the value of (d) for the equations (7x+dy=63) and (28x+36y=252) to have infinitely many solutions?

Explanation opens after your attempt
Correct Answer

C. (9)

Step 1

Concept

For infinitely many solutions, (7/28=d/36=63/252) must hold. Therefore, (d=9).

Step 2

Why this answer is correct

The correct answer is C. (9). For infinitely many solutions, (7/28=d/36=63/252) must hold. Therefore, (d=9).

Step 3

Exam Tip

अनंत हल के लिए (7/28=d/36=63/252) होना चाहिए। इसलिए (d=9)।

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समीकरणों (13x+qy=52) और (26x+18y=104) के अनंत हल होने के लिए (q) का मान क्या है?

What is the value of (q) for the equations (13x+qy=52) and (26x+18y=104) to have infinitely many solutions?

Explanation opens after your attempt
Correct Answer

C. (9)

Step 1

Concept

The second equation is (2) times the first, so (q/18=1/2) must hold. Hence, (q=9).

Step 2

Why this answer is correct

The correct answer is C. (9). The second equation is (2) times the first, so (q/18=1/2) must hold. Hence, (q=9).

Step 3

Exam Tip

दूसरा समीकरण पहले का (2) गुना है, इसलिए (q/18=1/2) होना चाहिए। अतः (q=9)।

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समीकरणों (24x+36y=168) और (2x+3y=14) का युग्म किस प्रकार का है?

What type of pair is formed by the equations (24x+36y=168) and (2x+3y=14)?

Explanation opens after your attempt
Correct Answer

A. संगत और आश्रितConsistent and dependent

Step 1

Concept

The first equation is (12) times the second. Therefore, both are the same line and the pair is dependent.

Step 2

Why this answer is correct

The correct answer is A. संगत और आश्रित / Consistent and dependent. The first equation is (12) times the second. Therefore, both are the same line and the pair is dependent.

Step 3

Exam Tip

पहला समीकरण दूसरे का (12) गुना है। इसलिए दोनों एक ही रेखा हैं और युग्म आश्रित है।

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समीकरणों (6x+dy=54) और (18x+30y=162) के अनंत हल होने के लिए (d) का मान क्या है?

What is the value of (d) for the equations (6x+dy=54) and (18x+30y=162) to have infinitely many solutions?

Explanation opens after your attempt
Correct Answer

C. (10)

Step 1

Concept

For infinitely many solutions, (6/18=d/30=54/162) must hold. Therefore, (d=10).

Step 2

Why this answer is correct

The correct answer is C. (10). For infinitely many solutions, (6/18=d/30=54/162) must hold. Therefore, (d=10).

Step 3

Exam Tip

अनंत हल के लिए (6/18=d/30=54/162) होना चाहिए। इसलिए (d=10)।

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समीकरणों (11x+qy=44) और (22x+18y=88) के अनंत हल होने के लिए (q) का मान क्या है?

What is the value of (q) for the equations (11x+qy=44) and (22x+18y=88) to have infinitely many solutions?

Explanation opens after your attempt
Correct Answer

C. (9)

Step 1

Concept

The second equation is (2) times the first so (q/18=1/2) must hold. Hence, (q=9).

Step 2

Why this answer is correct

The correct answer is C. (9). The second equation is (2) times the first so (q/18=1/2) must hold. Hence, (q=9).

Step 3

Exam Tip

दूसरा समीकरण पहले का (2) गुना है इसलिए (q/18=1/2) होना चाहिए। अतः (q=9)।

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समीकरणों (18x+30y=126) और (3x+5y=21) का युग्म किस प्रकार का है?

What type of pair is formed by the equations (18x+30y=126) and (3x+5y=21)?

Explanation opens after your attempt
Correct Answer

A. संगत और आश्रितConsistent and dependent

Step 1

Concept

The first equation is (6) times the second. Therefore, both are the same line and the pair is dependent.

Step 2

Why this answer is correct

The correct answer is A. संगत और आश्रित / Consistent and dependent. The first equation is (6) times the second. Therefore, both are the same line and the pair is dependent.

Step 3

Exam Tip

पहला समीकरण दूसरे का (6) गुना है। इसलिए दोनों एक ही रेखा हैं और युग्म आश्रित है।

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समीकरणों (5x+dy=40) और (20x+28y=160) के अनंत हल होने के लिए (d) का मान क्या है?

What is the value of (d) for the equations (5x+dy=40) and (20x+28y=160) to have infinitely many solutions?

Explanation opens after your attempt
Correct Answer

C. (7)

Step 1

Concept

For infinitely many solutions, (5/20=d/28=40/160) must hold. Therefore, (d=7).

Step 2

Why this answer is correct

The correct answer is C. (7). For infinitely many solutions, (5/20=d/28=40/160) must hold. Therefore, (d=7).

Step 3

Exam Tip

अनंत हल के लिए (5/20=d/28=40/160) होना चाहिए। इसलिए (d=7)।

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समीकरणों (9x+qy=36) और (18x+14y=72) के अनंत हल होने के लिए (q) का मान क्या है?

What is the value of (q) for the equations (9x+qy=36) and (18x+14y=72) to have infinitely many solutions?

Explanation opens after your attempt
Correct Answer

C. (7)

Step 1

Concept

The second equation is (2) times the first, so (q/14=1/2) must hold. Hence, (q=7).

Step 2

Why this answer is correct

The correct answer is C. (7). The second equation is (2) times the first, so (q/14=1/2) must hold. Hence, (q=7).

Step 3

Exam Tip

दूसरा समीकरण पहले का (2) गुना है, इसलिए (q/14=1/2) होना चाहिए। अतः (q=7)।

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समीकरणों (16x+24y=88) और (2x+3y=11) का युग्म किस प्रकार का है?

What type of pair is formed by the equations (16x+24y=88) and (2x+3y=11)?

Explanation opens after your attempt
Correct Answer

A. संगत और आश्रितConsistent and dependent

Step 1

Concept

The first equation is (8) times the second. Therefore, both are the same line and the pair is dependent.

Step 2

Why this answer is correct

The correct answer is A. संगत और आश्रित / Consistent and dependent. The first equation is (8) times the second. Therefore, both are the same line and the pair is dependent.

Step 3

Exam Tip

पहला समीकरण दूसरे का (8) गुना है। इसलिए दोनों एक ही रेखा हैं और युग्म आश्रित है।

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समीकरणों (3x+by=24) और (12x+20y=96) के अनंत हल होने के लिए (b) का मान क्या है?

What is the value of (b) for the equations (3x+by=24) and (12x+20y=96) to have infinitely many solutions?

Explanation opens after your attempt
Correct Answer

C. (5)

Step 1

Concept

For infinitely many solutions, (3/12=b/20=24/96) must hold. Therefore, (b=5).

Step 2

Why this answer is correct

The correct answer is C. (5). For infinitely many solutions, (3/12=b/20=24/96) must hold. Therefore, (b=5).

Step 3

Exam Tip

अनंत हल के लिए (3/12=b/20=24/96) होना चाहिए। इसलिए (b=5)।

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समीकरणों (7x+qy=29) और (14x+10y=58) के अनंत हल होने के लिए (q) का मान क्या है?

What is the value of (q) for the equations (7x+qy=29) and (14x+10y=58) to have infinitely many solutions?

Explanation opens after your attempt
Correct Answer

C. (5)

Step 1

Concept

The second equation is (2) times the first, so (q/10=1/2) must hold. Hence, (q=5).

Step 2

Why this answer is correct

The correct answer is C. (5). The second equation is (2) times the first, so (q/10=1/2) must hold. Hence, (q=5).

Step 3

Exam Tip

दूसरा समीकरण पहले का (2) गुना है, इसलिए (q/10=1/2) होना चाहिए। अतः (q=5)।

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समीकरण (16x+24y=88) और (2x+3y=11) का युग्म किस प्रकार का है?

What type of pair is (16x+24y=88) and (2x+3y=11)?

Explanation opens after your attempt
Correct Answer

A. संगत और आश्रितConsistent and dependent

Step 1

Concept

The first equation is (8) times the second. Therefore both are the same line and the pair is dependent.

Step 2

Why this answer is correct

The correct answer is A. संगत और आश्रित / Consistent and dependent. The first equation is (8) times the second. Therefore both are the same line and the pair is dependent.

Step 3

Exam Tip

पहला समीकरण दूसरे का (8) गुना है। इसलिए दोनों एक ही रेखा हैं और युग्म आश्रित है।

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समीकरण (3x+by=24) और (12x+20y=96) के अनंत हल होने के लिए (b) का मान क्या है?

What is the value of (b) for (3x+by=24) and (12x+20y=96) to have infinitely many solutions?

Explanation opens after your attempt
Correct Answer

C. (5)

Step 1

Concept

For infinitely many solutions (3/12=b/20=24/96) must hold. Therefore (b=5).

Step 2

Why this answer is correct

The correct answer is C. (5). For infinitely many solutions (3/12=b/20=24/96) must hold. Therefore (b=5).

Step 3

Exam Tip

अनंत हल के लिए (3/12=b/20=24/96) होना चाहिए। इसलिए (b=5)।

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समीकरण (7x+qy=29) और (14x+10y=58) के अनंत हल होने के लिए (q) क्या होगा?

What will (q) be for (7x+qy=29) and (14x+10y=58) to have infinitely many solutions?

Explanation opens after your attempt
Correct Answer

C. (5)

Step 1

Concept

The second equation is (2) times the first so (q/10=1/2) must hold. Hence (q=5).

Step 2

Why this answer is correct

The correct answer is C. (5). The second equation is (2) times the first so (q/10=1/2) must hold. Hence (q=5).

Step 3

Exam Tip

दूसरा समीकरण पहले का (2) गुना है इसलिए (q/10=1/2) होना चाहिए। अतः (q=5)।

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यदि \(a_1/a_2=b_1/b_2=c_1/c_2\) हो तो समीकरणों के युग्म की प्रकृति क्या होगी?

If \(a_1/a_2=b_1/b_2=c_1/c_2\) then what will be the nature of the pair of equations?

Explanation opens after your attempt
Correct Answer

C. संगत और आश्रितConsistent and dependent

Step 1

Concept

If all three ratios are equal both equations represent the same line. Such a pair is consistent and dependent.

Step 2

Why this answer is correct

The correct answer is C. संगत और आश्रित / Consistent and dependent. If all three ratios are equal both equations represent the same line. Such a pair is consistent and dependent.

Step 3

Exam Tip

तीनों अनुपात बराबर हों तो दोनों समीकरण एक ही रेखा दर्शाते हैं। ऐसा युग्म संगत और आश्रित होता है।

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समीकरण (14x+21y=70) और (2x+3y=10) का युग्म किस प्रकार का है?

What type of pair is (14x+21y=70) and (2x+3y=10)?

Explanation opens after your attempt
Correct Answer

A. संगत और आश्रितConsistent and dependent

Step 1

Concept

The first equation is (7) times the second. Therefore, both are the same line and the pair is dependent.

Step 2

Why this answer is correct

The correct answer is A. संगत और आश्रित / Consistent and dependent. The first equation is (7) times the second. Therefore, both are the same line and the pair is dependent.

Step 3

Exam Tip

पहला समीकरण दूसरे का (7) गुना है। इसलिए दोनों एक ही रेखा हैं और युग्म आश्रित है।

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समीकरण (4x+by=28) और (12x+21y=84) के अनंत हल होने के लिए (b) का मान क्या है?

What is the value of (b) for (4x+by=28) and (12x+21y=84) to have infinitely many solutions?

Explanation opens after your attempt
Correct Answer

C. (7)

Step 1

Concept

For infinitely many solutions, (4/12=b/21=28/84) must hold. Therefore, (b=7).

Step 2

Why this answer is correct

The correct answer is C. (7). For infinitely many solutions, (4/12=b/21=28/84) must hold. Therefore, (b=7).

Step 3

Exam Tip

अनंत हल के लिए (4/12=b/21=28/84) होना चाहिए। इसलिए (b=7) होगा।

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यदि दो रेखाओं की ढाल समान और अवरोध भी समान हो, तो युग्म का प्रकार क्या होगा?

If two lines have the same slope and the same intercept, what will be the type of pair?

Explanation opens after your attempt
Correct Answer

C. संगत और आश्रितConsistent and dependent

Step 1

Concept

Same slope and same intercept mean both lines are identical. Therefore, the pair is consistent and dependent.

Step 2

Why this answer is correct

The correct answer is C. संगत और आश्रित / Consistent and dependent. Same slope and same intercept mean both lines are identical. Therefore, the pair is consistent and dependent.

Step 3

Exam Tip

समान ढाल और समान अवरोध का मतलब दोनों रेखाएं एक ही हैं। इसलिए युग्म संगत और आश्रित होता है।

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समीकरण (5x+ky=35) और (x+4y=7) के अनंत हल होने के लिए (k) का मान क्या होगा?

What is the value of (k) for (5x+ky=35) and (x+4y=7) to have infinitely many solutions?

Explanation opens after your attempt
Correct Answer

C. (20)

Step 1

Concept

The first equation must be (5) times the second, so (k=20). A common multiplier makes both lines coincident.

Step 2

Why this answer is correct

The correct answer is C. (20). The first equation must be (5) times the second, so (k=20). A common multiplier makes both lines coincident.

Step 3

Exam Tip

पहला समीकरण दूसरे का (5) गुना होना चाहिए, इसलिए (k=20)। समान गुणक से दोनों रेखाएं संपाती होती हैं।

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यदि \(a_1/a_2=b_1/b_2=c_1/c_2\), तो युग्म का वर्गीकरण क्या होगा?

If \(a_1/a_2=b_1/b_2=c_1/c_2\), what will be the classification of the pair?

Explanation opens after your attempt
Correct Answer

C. संगत और आश्रितConsistent and dependent

Step 1

Concept

When all three ratios are equal, both equations form the same line. Therefore, the pair is consistent and dependent.

Step 2

Why this answer is correct

The correct answer is C. संगत और आश्रित / Consistent and dependent. When all three ratios are equal, both equations form the same line. Therefore, the pair is consistent and dependent.

Step 3

Exam Tip

तीनों अनुपात बराबर होने पर दोनों समीकरण एक ही रेखा बनाते हैं। इसलिए युग्म संगत और आश्रित होता है।

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समीकरण (3x+ay=21) और (9x+12y=63) के अनंत हल होने के लिए (a) क्या होगा?

What will (a) be for (3x+ay=21) and (9x+12y=63) to have infinitely many solutions?

Explanation opens after your attempt
Correct Answer

C. (4)

Step 1

Concept

For infinitely many solutions, (3/9=a/12=21/63) must hold. Therefore, (a=4).

Step 2

Why this answer is correct

The correct answer is C. (4). For infinitely many solutions, (3/9=a/12=21/63) must hold. Therefore, (a=4).

Step 3

Exam Tip

अनंत हल के लिए (3/9=a/12=21/63) होना चाहिए। इसलिए (a=4) है।

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समीकरण (12x+18y=30) और (2x+3y=5) का युग्म किस प्रकार का है?

What type of pair is (12x+18y=30) and (2x+3y=5)?

Explanation opens after your attempt
Correct Answer

A. संगत और आश्रितConsistent and dependent

Step 1

Concept

The first equation is (6) times the second. Therefore, both are the same line and the pair is dependent.

Step 2

Why this answer is correct

The correct answer is A. संगत और आश्रित / Consistent and dependent. The first equation is (6) times the second. Therefore, both are the same line and the pair is dependent.

Step 3

Exam Tip

पहला समीकरण दूसरे का (6) गुना है। इसलिए दोनों एक ही रेखा हैं और युग्म आश्रित है।

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समीकरण (3x+by=15) और (9x+12y=45) के अनंत हल होने के लिए (b) क्या होगा?

What will (b) be for (3x+by=15) and (9x+12y=45) to have infinitely many solutions?

Explanation opens after your attempt
Correct Answer

C. (4)

Step 1

Concept

For infinitely many solutions, (3/9=b/12=15/45) must hold. Therefore, (b=4).

Step 2

Why this answer is correct

The correct answer is C. (4). For infinitely many solutions, (3/9=b/12=15/45) must hold. Therefore, (b=4).

Step 3

Exam Tip

अनंत हल के लिए (3/9=b/12=15/45) होना चाहिए। इसलिए (b=4) है।

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यदि दो रेखाओं की ढाल समान और (y)-अवरोध भी समान हो, तो युग्म का प्रकार क्या होगा?

If two lines have the same slope and the same (y)-intercept, what will be the type of pair?

Explanation opens after your attempt
Correct Answer

C. संगत और आश्रितConsistent and dependent

Step 1

Concept

Same slope and same intercept mean both lines are the same. Therefore, the pair is consistent and dependent.

Step 2

Why this answer is correct

The correct answer is C. संगत और आश्रित / Consistent and dependent. Same slope and same intercept mean both lines are the same. Therefore, the pair is consistent and dependent.

Step 3

Exam Tip

समान ढाल और समान अवरोध का मतलब दोनों रेखाएं एक ही हैं। इसलिए युग्म संगत और आश्रित है।

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समीकरण (4x+ky=16) और (x+3y=4) के अनंत हल होने के लिए (k) क्या होगा?

What will (k) be for (4x+ky=16) and (x+3y=4) to have infinitely many solutions?

Explanation opens after your attempt
Correct Answer

C. (12)

Step 1

Concept

The first equation must be (4) times the second, so (k=12). A common multiplier makes the lines coincident.

Step 2

Why this answer is correct

The correct answer is C. (12). The first equation must be (4) times the second, so (k=12). A common multiplier makes the lines coincident.

Step 3

Exam Tip

पहला समीकरण दूसरे का (4) गुना होना चाहिए, इसलिए (k=12)। समान गुणक से रेखाएं संपाती बनती हैं।

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समीकरण (5x+by=20) और (10x+6y=40) के अनंत हल होने के लिए (b) का मान क्या है?

What is the value of (b) for (5x+by=20) and (10x+6y=40) to have infinitely many solutions?

Explanation opens after your attempt
Correct Answer

B. (3)

Step 1

Concept

For infinitely many solutions (5/10=b/6=20/40) must hold. Therefore (b=3).

Step 2

Why this answer is correct

The correct answer is B. (3). For infinitely many solutions (5/10=b/6=20/40) must hold. Therefore (b=3).

Step 3

Exam Tip

अनंत हल के लिए (5/10=b/6=20/40) होना चाहिए। इसलिए (b=3) है।

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समीकरण (5x-y=9) और (10x-2y=18) का युग्म कैसा है?

What kind of pair is (5x-y=9) and (10x-2y=18)?

Explanation opens after your attempt
Correct Answer

C. संगत और आश्रितConsistent and dependent

Step 1

Concept

The second equation is (2) times the first. Therefore the lines are coincident and the pair is consistent dependent.

Step 2

Why this answer is correct

The correct answer is C. संगत और आश्रित / Consistent and dependent. The second equation is (2) times the first. Therefore the lines are coincident and the pair is consistent dependent.

Step 3

Exam Tip

दूसरा समीकरण पहले का (2) गुना है। इसलिए दोनों रेखाएं संपाती हैं और युग्म संगत आश्रित है।

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समीकरण (5x+2y=9) और (10x+by=18) के अनंत हल होने के लिए (b) का मान क्या है?

What is the value of (b) for (5x+2y=9) and (10x+by=18) to have infinitely many solutions?

Explanation opens after your attempt
Correct Answer

C. (4)

Step 1

Concept

Here (5/10=9/18=1/2) so (2/b=1/2). This gives (b=4).

Step 2

Why this answer is correct

The correct answer is C. (4). Here (5/10=9/18=1/2) so (2/b=1/2). This gives (b=4).

Step 3

Exam Tip

यहां (5/10=9/18=1/2) इसलिए (2/b=1/2) होगा। इससे (b=4) मिलता है।

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समीकरण (6x+3y=12) और (2x+y=4) के लिए सही कथन क्या है?

What is the correct statement for (6x+3y=12) and (2x+y=4)?

Explanation opens after your attempt
Correct Answer

C. अनंत हल हैंThere are infinitely many solutions

Step 1

Concept

The first equation is (3) times the second so both are the same line. In such questions spotting the common multiplier is the fastest method.

Step 2

Why this answer is correct

The correct answer is C. अनंत हल हैं / There are infinitely many solutions. The first equation is (3) times the second so both are the same line. In such questions spotting the common multiplier is the fastest method.

Step 3

Exam Tip

पहला समीकरण दूसरे का (3) गुना है इसलिए दोनों एक ही रेखा हैं। ऐसे प्रश्नों में समान गुणक पहचानना तेज तरीका है।

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यदि \(a_1/a_2=b_1/b_2=c_1/c_2\) हो तो समीकरणों का युग्म कैसा कहलाता है?

If \(a_1/a_2=b_1/b_2=c_1/c_2\) then what is the pair of equations called?

Explanation opens after your attempt
Correct Answer

A. संगत और आश्रितConsistent and dependent

Step 1

Concept

When all three ratios are equal both equations give the same line. This is called a consistent and dependent pair.

Step 2

Why this answer is correct

The correct answer is A. संगत और आश्रित / Consistent and dependent. When all three ratios are equal both equations give the same line. This is called a consistent and dependent pair.

Step 3

Exam Tip

तीनों अनुपात बराबर होने पर दोनों समीकरण एक ही रेखा देते हैं। इसे संगत और आश्रित युग्म कहते हैं।

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समीकरण (6x-2y=4) और (3x-y=2) के हलों की संख्या बताइए।

State the number of solutions of (6x-2y=4) and (3x-y=2).

Explanation opens after your attempt
Correct Answer

C. अनंत हलInfinitely many solutions

Step 1

Concept

The first equation is (2) times the second, so both lines are coincident. Coincident lines have infinitely many solutions.

Step 2

Why this answer is correct

The correct answer is C. अनंत हल / Infinitely many solutions. The first equation is (2) times the second, so both lines are coincident. Coincident lines have infinitely many solutions.

Step 3

Exam Tip

पहला समीकरण दूसरे का (2) गुना है, इसलिए दोनों रेखाएं संपाती हैं। संपाती रेखाओं के अनंत हल होते हैं।

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समीकरण (3x+y=4) और (9x+3y=12) का युग्म कैसा है?

What type of pair is (3x+y=4) and (9x+3y=12)?

Explanation opens after your attempt
Correct Answer

C. संगत और आश्रितConsistent and dependent

Step 1

Concept

The second equation is (3) times the first, so both lines are coincident. Such a pair has infinitely many solutions.

Step 2

Why this answer is correct

The correct answer is C. संगत और आश्रित / Consistent and dependent. The second equation is (3) times the first, so both lines are coincident. Such a pair has infinitely many solutions.

Step 3

Exam Tip

दूसरा समीकरण पहले का (3) गुना है, इसलिए दोनों रेखाएं संपाती हैं। ऐसे युग्म में अनंत हल होते हैं।

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यदि दो समीकरणों की रेखाएं संपाती हों, तो युग्म कैसा कहलाता है?

If the lines of two equations are coincident, what is the pair called?

Explanation opens after your attempt
Correct Answer

B. संगत और आश्रितConsistent and dependent

Step 1

Concept

Coincident lines give infinitely many common points. Such a pair is called consistent dependent.

Step 2

Why this answer is correct

The correct answer is B. संगत और आश्रित / Consistent and dependent. Coincident lines give infinitely many common points. Such a pair is called consistent dependent.

Step 3

Exam Tip

संपाती रेखाएं अनंत सामान्य बिंदु देती हैं। ऐसा युग्म consistent dependent कहलाता है।

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समीकरण (3x-4y=8) और (6x-8y=16) के लिए सही निष्कर्ष चुनिए।

Choose the correct conclusion for (3x-4y=8) and (6x-8y=16).

Explanation opens after your attempt
Correct Answer

C. अनंत हलInfinitely many solutions

Step 1

Concept

The second equation is (2) times the first, so both are the same line. The same line gives infinitely many solutions.

Step 2

Why this answer is correct

The correct answer is C. अनंत हल / Infinitely many solutions. The second equation is (2) times the first, so both are the same line. The same line gives infinitely many solutions.

Step 3

Exam Tip

दूसरा समीकरण पहले का (2) गुना है, इसलिए दोनों एक ही रेखा हैं। समान रेखा पर अनंत हल मिलते हैं।

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समीकरण (7x+4y-8=0) और (14x+8y-16=0) किस प्रकार के युग्म हैं?

What type of pair are (7x+4y-8=0) and (14x+8y-16=0)?

Explanation opens after your attempt
Correct Answer

B. संगत और आश्रितConsistent and dependent

Step 1

Concept

All three ratios are equal, so both equations represent the same line. This is called a consistent dependent pair.

Step 2

Why this answer is correct

The correct answer is B. संगत और आश्रित / Consistent and dependent. All three ratios are equal, so both equations represent the same line. This is called a consistent dependent pair.

Step 3

Exam Tip

तीनों अनुपात बराबर हैं, इसलिए दोनों समीकरण एक ही रेखा हैं। इसे consistent dependent pair कहते हैं।

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समीकरणों (4x+7y=31) और (8x+14y=62) के हलों की संख्या क्या है?

What is the number of solutions of (4x+7y=31) and (8x+14y=62)?

Explanation opens after your attempt
Correct Answer

D. अनंत हलInfinitely many solutions

Step 1

Concept

The second equation is (2) times the first. Therefore both are the same line and have infinitely many solutions.

Step 2

Why this answer is correct

The correct answer is D. अनंत हल / Infinitely many solutions. The second equation is (2) times the first. Therefore both are the same line and have infinitely many solutions.

Step 3

Exam Tip

दूसरा समीकरण पहले का (2) गुना है। इसलिए दोनों एक ही रेखा हैं और अनंत हल हैं।

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समीकरणों (3x+5y=20) और (6x+10y=40) के हलों की संख्या क्या है?

What is the number of solutions of (3x+5y=20) and (6x+10y=40)?

Explanation opens after your attempt
Correct Answer

A. अनंत हलInfinitely many solutions

Step 1

Concept

The second equation is (2) times the first. Therefore both represent the same line and have infinitely many solutions.

Step 2

Why this answer is correct

The correct answer is A. अनंत हल / Infinitely many solutions. The second equation is (2) times the first. Therefore both represent the same line and have infinitely many solutions.

Step 3

Exam Tip

दूसरा समीकरण पहले का (2) गुना है। इसलिए दोनों एक ही रेखा दर्शाते हैं और अनंत हल हैं।

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समीकरणों (4x+6y=30) और (6x+9y=45) के हलों के बारे में सही कथन चुनिए।

Choose the correct statement about the solutions of (4x+6y=30) and (6x+9y=45).

Explanation opens after your attempt
Correct Answer

C. अनंत अनेक हलInfinitely many solutions

Step 1

Concept

The second equation is \(\frac{3}{2}\) times the first, so both represent the same line. In exams, if all ratios are equal, there are infinitely many solutions.

Step 2

Why this answer is correct

The correct answer is C. अनंत अनेक हल / Infinitely many solutions. The second equation is \(\frac{3}{2}\) times the first, so both represent the same line. In exams, if all ratios are equal, there are infinitely many solutions.

Step 3

Exam Tip

दूसरा समीकरण पहले का \(\frac{3}{2}\) गुना है, इसलिए दोनों समान रेखा दर्शाते हैं। परीक्षा में सभी अनुपात बराबर हों तो अनंत हल होते हैं।

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यदि (3x+4y=2) और (9x+12y=6), तो प्रणाली के हलों के बारे में कौन-सा कथन सही है?

If (3x+4y=2) and (9x+12y=6), which statement about the solutions is correct?

Explanation opens after your attempt
Correct Answer

C. अनंत अनेक हलInfinitely many solutions

Step 1

Concept

The second equation is (3) times the first, so both lines are the same. In exams, compare ratios to identify dependent equations.

Step 2

Why this answer is correct

The correct answer is C. अनंत अनेक हल / Infinitely many solutions. The second equation is (3) times the first, so both lines are the same. In exams, compare ratios to identify dependent equations.

Step 3

Exam Tip

दूसरा समीकरण पहले का (3) गुना है, इसलिए दोनों रेखाएँ समान हैं। परीक्षा में अनुपातों की तुलना करके आश्रित समीकरण पहचानें।

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समीकरणों (2x+3y=11) और (4x+6y=22) के हलों की संख्या क्या है?

What is the number of solutions of (2x+3y=11) and (4x+6y=22)?

Explanation opens after your attempt
Correct Answer

A. अनंत हलInfinitely many solutions

Step 1

Concept

The second equation is (2) times the first. Therefore both represent the same line and have infinitely many solutions.

Step 2

Why this answer is correct

The correct answer is A. अनंत हल / Infinitely many solutions. The second equation is (2) times the first. Therefore both represent the same line and have infinitely many solutions.

Step 3

Exam Tip

दूसरा समीकरण पहले का (2) गुना है। इसलिए दोनों एक ही रेखा दर्शाते हैं और अनंत हल हैं।

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यदि (7x-14y=28) और (x-2y=4), तो सही कथन कौन-सा है?

If (7x-14y=28) and (x-2y=4), which statement is correct?

Explanation opens after your attempt
Correct Answer

C. अनंत हलInfinitely many solutions

Step 1

Concept

The first equation is (7) times the second. Therefore both are identical equations and have infinitely many solutions.

Step 2

Why this answer is correct

The correct answer is C. अनंत हल / Infinitely many solutions. The first equation is (7) times the second. Therefore both are identical equations and have infinitely many solutions.

Step 3

Exam Tip

पहला समीकरण दूसरे का (7) गुना है। इसलिए दोनों समान समीकरण हैं और अनंत हल हैं।

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समीकरणों (5x-10y=15) और (x-2y=3) के हलों की संख्या क्या है?

What is the number of solutions of (5x-10y=15) and (x-2y=3)?

Explanation opens after your attempt
Correct Answer

D. अनंत हलInfinitely many solutions

Step 1

Concept

The first equation is (5) times the second. Therefore both are the same equation and have infinitely many solutions.

Step 2

Why this answer is correct

The correct answer is D. अनंत हल / Infinitely many solutions. The first equation is (5) times the second. Therefore both are the same equation and have infinitely many solutions.

Step 3

Exam Tip

पहला समीकरण दूसरे का (5) गुना है। इसलिए दोनों एक ही समीकरण हैं और अनंत हल हैं।

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यदि (3x+6y=24) और (x+2y=8), तो हलों की संख्या क्या है?

If (3x+6y=24) and (x+2y=8), what is the number of solutions?

Explanation opens after your attempt
Correct Answer

C. अनंत हलInfinitely many solutions

Step 1

Concept

The first equation is (3) times the second. Hence both are the same line and have infinitely many solutions.

Step 2

Why this answer is correct

The correct answer is C. अनंत हल / Infinitely many solutions. The first equation is (3) times the second. Hence both are the same line and have infinitely many solutions.

Step 3

Exam Tip

पहला समीकरण दूसरे का (3) गुना है। इसलिए दोनों एक ही रेखा हैं और अनंत हल हैं।

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समीकरणों (6x+4y=40) और (3x+2y=20) के बारे में सही कथन कौन-सा है?

Which statement is correct about (6x+4y=40) and (3x+2y=20)?

Explanation opens after your attempt
Correct Answer

B. अनंत हल हैंThere are infinitely many solutions

Step 1

Concept

The first equation is (2) times the second. Therefore both are the same equation and have infinitely many solutions.

Step 2

Why this answer is correct

The correct answer is B. अनंत हल हैं / There are infinitely many solutions. The first equation is (2) times the second. Therefore both are the same equation and have infinitely many solutions.

Step 3

Exam Tip

पहला समीकरण दूसरे का (2) गुना है। इसलिए दोनों एक ही समीकरण हैं और अनंत हल हैं।

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यदि (6x+2y=28) और (3x+y=14), तो हलों की संख्या क्या है?

If (6x+2y=28) and (3x+y=14), what is the number of solutions?

Explanation opens after your attempt
Correct Answer

D. अनंत हलInfinitely many solutions

Step 1

Concept

The first equation is (2) times the second. Therefore both equations are identical and give infinitely many solutions.

Step 2

Why this answer is correct

The correct answer is D. अनंत हल / Infinitely many solutions. The first equation is (2) times the second. Therefore both equations are identical and give infinitely many solutions.

Step 3

Exam Tip

पहला समीकरण दूसरे का (2) गुना है। इसलिए दोनों समीकरण समान हैं और अनंत हल देते हैं।

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यदि (2x+3y=16) और (4x+6y=32), तो सही कथन क्या है?

If (2x+3y=16) and (4x+6y=32), which statement is correct?

Explanation opens after your attempt
Correct Answer

C. अनंत हल हैंThere are infinitely many solutions

Step 1

Concept

The second equation is (2) times the first. Hence both represent the same line and have infinitely many solutions.

Step 2

Why this answer is correct

The correct answer is C. अनंत हल हैं / There are infinitely many solutions. The second equation is (2) times the first. Hence both represent the same line and have infinitely many solutions.

Step 3

Exam Tip

दूसरा समीकरण पहले का (2) गुना है। इसलिए दोनों एक ही रेखा दर्शाते हैं और अनंत हल होते हैं।

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समीकरण (2x+3y=12) और (4x+6y=24) के लिए सही निष्कर्ष क्या है?

What is the correct conclusion for (2x+3y=12) and (4x+6y=24)?

Explanation opens after your attempt
Correct Answer

B. अनंत हलInfinitely many solutions

Step 1

Concept

The second equation is (2) times the first, so both represent the same line. Such a pair has infinitely many solutions.

Step 2

Why this answer is correct

The correct answer is B. अनंत हल / Infinitely many solutions. The second equation is (2) times the first, so both represent the same line. Such a pair has infinitely many solutions.

Step 3

Exam Tip

दूसरा समीकरण पहले का (2) गुना है, इसलिए दोनों एक ही रेखा हैं। ऐसे युग्म के अनंत हल होते हैं।

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विलोपन के लिए (x+y=6) और (2x+2y=12) के बारे में सही निष्कर्ष क्या है?

For elimination, what is the correct conclusion about (x+y=6) and (2x+2y=12)?

Explanation opens after your attempt
Correct Answer

D. अनंत हलInfinitely many solutions

Step 1

Concept

The second equation is (2) times the first, so both are the same line and have infinitely many solutions. Identify proportional equations.

Step 2

Why this answer is correct

The correct answer is D. अनंत हल / Infinitely many solutions. The second equation is (2) times the first, so both are the same line and have infinitely many solutions. Identify proportional equations.

Step 3

Exam Tip

दूसरा समीकरण पहले का (2) गुना है, इसलिए दोनों एक ही रेखा हैं और अनंत हल हैं। समानुपाती समीकरणों को पहचानें।

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यदि (2x+4y=18) और (x+2y=9), तो इन दोनों समीकरणों के बारे में सही कथन क्या है?

If (2x+4y=18) and (x+2y=9), which statement is correct about these two equations?

Explanation opens after your attempt
Correct Answer

B. पहला समीकरण दूसरे का (2) गुना हैThe first equation is (2) times the second

Step 1

Concept

The first equation is (2(x+2y)=18), so it is (2) times the second. Recognizing proportional equations is also important.

Step 2

Why this answer is correct

The correct answer is B. पहला समीकरण दूसरे का (2) गुना है / The first equation is (2) times the second. The first equation is (2(x+2y)=18), so it is (2) times the second. Recognizing proportional equations is also important.

Step 3

Exam Tip

पहला समीकरण (2(x+2y)=18) है, इसलिए यह दूसरे का (2) गुना है। समानुपाती समीकरणों को पहचानना भी जरूरी है।

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रेखाएं (11x-6y=33) और (22x-12y=66) ग्राफ पर क्या दर्शाती हैं?

What do the lines (11x-6y=33) and (22x-12y=66) represent on a graph?

Explanation opens after your attempt
Correct Answer

C. अनंत समाधानInfinitely many solutions

Step 1

Concept

The second equation is (2) times the first, so both lines are the same. All points on the same line are solutions.

Step 2

Why this answer is correct

The correct answer is C. अनंत समाधान / Infinitely many solutions. The second equation is (2) times the first, so both lines are the same. All points on the same line are solutions.

Step 3

Exam Tip

दूसरा समीकरण पहले का (2) गुना है, इसलिए दोनों रेखाएं एक ही हैं। एक ही रेखा के सभी बिंदु समाधान होते हैं।

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रेखाएं (8x-5y=24) और (16x-10y=48) ग्राफ पर क्या दर्शाती हैं?

What do the lines (8x-5y=24) and (16x-10y=48) represent on a graph?

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Correct Answer

C. अनंत समाधानInfinitely many solutions

Step 1

Concept

The second equation is (2) times the first, so both lines are the same. All points on the same line are solutions.

Step 2

Why this answer is correct

The correct answer is C. अनंत समाधान / Infinitely many solutions. The second equation is (2) times the first, so both lines are the same. All points on the same line are solutions.

Step 3

Exam Tip

दूसरा समीकरण पहले का (2) गुना है, इसलिए दोनों रेखाएं एक ही हैं। एक ही रेखा के सभी बिंदु समाधान होते हैं।

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रेखाएं (7x+2y=18) और (14x+4y=36) ग्राफ पर क्या दर्शाती हैं?

What do the lines (7x+2y=18) and (14x+4y=36) represent on a graph?

Explanation opens after your attempt
Correct Answer

C. अनंत समाधानInfinitely many solutions

Step 1

Concept

The second equation is (2) times the first, so both lines are the same. All points on the same line are solutions.

Step 2

Why this answer is correct

The correct answer is C. अनंत समाधान / Infinitely many solutions. The second equation is (2) times the first, so both lines are the same. All points on the same line are solutions.

Step 3

Exam Tip

दूसरा समीकरण पहले का (2) गुना है, इसलिए दोनों रेखाएं एक ही हैं। एक ही रेखा के सभी बिंदु समाधान होते हैं।

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रेखाएं (x+2y=8) और (3x+6y=24) ग्राफ पर क्या दर्शाती हैं?

What do the lines (x+2y=8) and (3x+6y=24) represent on a graph?

Explanation opens after your attempt
Correct Answer

A. एक ही रेखाSame line

Step 1

Concept

The second equation is (3) times the first, so both lines are coincident. In such questions, check the multiplier of the whole equation.

Step 2

Why this answer is correct

The correct answer is A. एक ही रेखा / Same line. The second equation is (3) times the first, so both lines are coincident. In such questions, check the multiplier of the whole equation.

Step 3

Exam Tip

दूसरा समीकरण पहले का (3) गुना है, इसलिए दोनों रेखाएं संपाती हैं। ऐसे प्रश्नों में पूरे समीकरण का गुणक देखें।

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रेखाएँ (x+2y=7) और (3x+6y=21) किस प्रकार की हैं?

What type of lines are (x+2y=7) and (3x+6y=21)?

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Correct Answer

B. संपातीCoincident

Step 1

Concept

The second equation is (3) times the first. Therefore both form the same line on the graph.

Step 2

Why this answer is correct

The correct answer is B. संपाती / Coincident. The second equation is (3) times the first. Therefore both form the same line on the graph.

Step 3

Exam Tip

दूसरा समीकरण पहले का (3) गुना है। इसलिए दोनों ग्राफ पर एक ही रेखा बनाते हैं।

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यदि ग्राफ पर दोनों रेखाएँ बिल्कुल एक ही रेखा बनती हैं, तो हलों की संख्या क्या होगी?

If both lines on a graph form exactly the same line, how many solutions will there be?

Explanation opens after your attempt
Correct Answer

B. अनंत हलInfinitely many solutions

Step 1

Concept

All points on the same line satisfy both equations. Therefore, there are infinitely many solutions.

Step 2

Why this answer is correct

The correct answer is B. अनंत हल / Infinitely many solutions. All points on the same line satisfy both equations. Therefore, there are infinitely many solutions.

Step 3

Exam Tip

एक ही रेखा के सभी बिंदु दोनों समीकरणों को संतुष्ट करते हैं। इसलिए अनंत हल मिलते हैं।

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यदि ग्राफ पर दोनों रेखाएँ पूरी तरह एक ही जगह आती हैं, तो हलों की संख्या क्या होगी?

If both lines appear exactly at the same place on the graph, how many solutions will there be?

Explanation opens after your attempt
Correct Answer

B. अनंत हलInfinitely many solutions

Step 1

Concept

Coincident lines have infinitely many common points. Therefore, such a pair of equations has infinitely many solutions.

Step 2

Why this answer is correct

The correct answer is B. अनंत हल / Infinitely many solutions. Coincident lines have infinitely many common points. Therefore, such a pair of equations has infinitely many solutions.

Step 3

Exam Tip

संपाती रेखाओं के अनंत सामान्य बिंदु होते हैं। इसलिए ऐसे समीकरण युग्म के अनंत हल होते हैं।

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ग्राफीय विधि में यदि दोनों रेखाएँ एक ही हों, तो युग्म कैसा होता है?

In graphical method, if both lines are the same, what type of pair is it?

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Correct Answer

A. संगत और आश्रितConsistent and dependent

Step 1

Concept

The same line has infinitely many common points. Therefore, the pair is consistent and dependent.

Step 2

Why this answer is correct

The correct answer is A. संगत और आश्रित / Consistent and dependent. The same line has infinitely many common points. Therefore, the pair is consistent and dependent.

Step 3

Exam Tip

एक ही रेखा के अनंत सामान्य बिंदु होते हैं। इसलिए युग्म संगत और आश्रित होता है।

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अंतरराष्ट्रीय न्यायालय की सलाहकारी राय और विवाद निर्णय में मुख्य अंतर क्या है?

What is the main difference between advisory opinions and contentious judgments of the ICJ?

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Correct Answer

A. सलाहकारी राय कानूनी मार्गदर्शन देती है जबकि विवाद निर्णय राज्यों के मुकदमों से जुड़ा होता हैAdvisory opinions give legal guidance while contentious judgments relate to cases between states

Step 1

Concept

The ICJ performs both advisory and contentious roles. For exams remember the Court's functions separately.

Step 2

Why this answer is correct

The correct answer is A. सलाहकारी राय कानूनी मार्गदर्शन देती है जबकि विवाद निर्णय राज्यों के मुकदमों से जुड़ा होता है / Advisory opinions give legal guidance while contentious judgments relate to cases between states. The ICJ performs both advisory and contentious roles. For exams remember the Court's functions separately.

Step 3

Exam Tip

आई सी जे सलाह और विवाद दोनों भूमिकाएं निभाता है। परीक्षा में न्यायालय की कार्यप्रणाली अलग-अलग याद रखें।

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यदि अम्ल को धातु कार्बोनेट और धातु हाइड्रोजन कार्बोनेट दोनों से अभिक्रिया कराई जाए तो कौन सा सामान्य उत्पाद दोनों में बनता है?

If an acid reacts with both a metal carbonate and a metal hydrogen carbonate, which common product is formed in both cases?

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Correct Answer

A. कार्बन डाइऑक्साइडCarbon dioxide

Step 1

Concept

Metal carbonates react with acids to give carbon dioxide.

Step 2

Why this answer is correct

Metal hydrogen carbonates also react with acids to give carbon dioxide.

Step 3

Exam Tip

Thus carbon dioxide is the common product in both reactions. चरण 1: धातु कार्बोनेट अम्ल से कार्बन डाइऑक्साइड देते हैं। चरण 2: धातु हाइड्रोजन कार्बोनेट भी अम्ल से कार्बन डाइऑक्साइड देते हैं। चरण 3: इसलिए दोनों अभिक्रियाओं में यह गैस सामान्य उत्पाद है।

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