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Class 11 Mathematics Medium Quiz

Level 49 • 50/50 questions • 35 seconds per question.

Level readiness 50/50 Questions
Time Left 29:10 35 sec/question
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Question 1 / 50 0 score
Answered 0/50 Correct 0 Time 29:10

असमानता \(2x+y\le 6\) के लिए सीमा रेखा कौन-सी होगी?

What is the boundary line for the inequality \(2x+y\le 6\)?

Explanation opens after your attempt
Correct Answer

A. (2x+y=6)

Step 1

Concept

For a boundary line, replace the inequality sign by equality. In exams, draw the line first and then choose the region.

Step 2

Why this answer is correct

The correct answer is A. (2x+y=6). For a boundary line, replace the inequality sign by equality. In exams, draw the line first and then choose the region.

Step 3

Exam Tip

सीमा रेखा बनाने के लिए असमानता के चिन्ह को बराबर में बदलते हैं। परीक्षा में पहले रेखा बनाएं फिर क्षेत्र चुनें।

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असमानता \(3x-2y\ge 12\) के आलेख में सीमा रेखा कैसी होगी?

In the graph of \(3x-2y\ge 12\), what type of boundary line is used?

Explanation opens after your attempt
Correct Answer

B. ठोस रेखाsolid line

Step 1

Concept

With \(\ge\), the boundary line is included in the solution. Therefore a solid line is correct.

Step 2

Why this answer is correct

The correct answer is B. ठोस रेखा / solid line. With \(\ge\), the boundary line is included in the solution. Therefore a solid line is correct.

Step 3

Exam Tip

चिन्ह \(\ge\) होने पर सीमा रेखा भी हल में शामिल होती है। इसलिए ठोस रेखा सही होती है।

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बिंदु ((0,0)) असमानता \(2x+3y\le 9\) को संतुष्ट करता है या नहीं?

Does the point ((0,0)) satisfy the inequality \(2x+3y\le 9\)?

Explanation opens after your attempt
Correct Answer

A. हाँyes

Step 1

Concept

Substituting ((0,0)) gives \(0\le 9\), which is true. The origin test quickly decides the shaded side.

Step 2

Why this answer is correct

The correct answer is A. हाँ / yes. Substituting ((0,0)) gives \(0\le 9\), which is true. The origin test quickly decides the shaded side.

Step 3

Exam Tip

((0,0)) रखने पर \(0\le 9\) सत्य है। मूल बिंदु परीक्षण से शेडिंग जल्दी तय होती है।

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बिंदु ((1,4)) असमानता \(x+2y\le 8\) के हल क्षेत्र में है या नहीं?

Is the point ((1,4)) in the solution region of \(x+2y\le 8\)?

Explanation opens after your attempt
Correct Answer

B. नहीं क्योंकि \(9\le 8\) असत्य हैno because \(9\le 8\) is false

Step 1

Concept

Substituting ((1,4)) gives (1+8=9), which is greater than (8). In point testing, place both coordinates carefully.

Step 2

Why this answer is correct

The correct answer is B. नहीं क्योंकि \(9\le 8\) असत्य है / no because \(9\le 8\) is false. Substituting ((1,4)) gives (1+8=9), which is greater than (8). In point testing, place both coordinates carefully.

Step 3

Exam Tip

((1,4)) रखने पर (1+8=9) मिलता है जो (8) से बड़ा है। बिंदु जांच में दोनों निर्देशांक सही जगह रखें।

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रेखा (x+3y=6) के (x)-अवरोध का मान क्या है?

What is the (x)-intercept of the line (x+3y=6)?

Explanation opens after your attempt
Correct Answer

C. (6)

Step 1

Concept

For the (x)-intercept, put (y=0), so (x=6). The intercept method helps draw the line quickly.

Step 2

Why this answer is correct

The correct answer is C. (6). For the (x)-intercept, put (y=0), so (x=6). The intercept method helps draw the line quickly.

Step 3

Exam Tip

(x)-अवरोध के लिए (y=0) रखते हैं इसलिए (x=6)। अवरोध विधि से रेखा जल्दी बनती है।

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रेखा (4x+y=8) के (y)-अवरोध का मान क्या है?

What is the (y)-intercept of the line (4x+y=8)?

Explanation opens after your attempt
Correct Answer

A. (8)

Step 1

Concept

For the (y)-intercept, put (x=0), so (y=8). Mark intercepts clearly on the graph.

Step 2

Why this answer is correct

The correct answer is A. (8). For the (y)-intercept, put (x=0), so (y=8). Mark intercepts clearly on the graph.

Step 3

Exam Tip

(y)-अवरोध के लिए (x=0) रखते हैं इसलिए (y=8)। ग्राफ में अवरोधों को साफ चिन्हित करें।

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असमानता \(y\ge 2x+1\) में शेड किया जाने वाला क्षेत्र किस ओर होगा?

For the inequality \(y\ge 2x+1\), which side is shaded?

Explanation opens after your attempt
Correct Answer

B. रेखा के ऊपरabove the line

Step 1

Concept

In \(y\ge 2x+1\), (y) is greater than or equal to the line value. Hence the half-plane above the line is taken.

Step 2

Why this answer is correct

The correct answer is B. रेखा के ऊपर / above the line. In \(y\ge 2x+1\), (y) is greater than or equal to the line value. Hence the half-plane above the line is taken.

Step 3

Exam Tip

\(y\ge 2x+1\) में (y) रेखा से बड़ा या बराबर है। इसलिए रेखा के ऊपर का अर्ध-समतल लिया जाता है।

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असमानताओं \(x\ge 0\) और \(y\ge 0\) का संयुक्त क्षेत्र कौन-सा है?

What is the common region of \(x\ge 0\) and \(y\ge 0\)?

Explanation opens after your attempt
Correct Answer

A. पहला चतुर्थांश सहित अक्षfirst quadrant including axes

Step 1

Concept

Both coordinates are non-negative, so the region is the first quadrant including axes. Always identify non-negativity conditions first.

Step 2

Why this answer is correct

The correct answer is A. पहला चतुर्थांश सहित अक्ष / first quadrant including axes. Both coordinates are non-negative, so the region is the first quadrant including axes. Always identify non-negativity conditions first.

Step 3

Exam Tip

दोनों निर्देशांक ऋणात्मक नहीं हैं इसलिए क्षेत्र पहला चतुर्थांश और अक्ष हैं। गैर-ऋणात्मक शर्तों को हमेशा पहले पहचानें।

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असमानता \(x\le 4\) का आलेख किस क्षेत्र को दर्शाता है?

Which region is represented by the graph of \(x\le 4\)?

Explanation opens after your attempt
Correct Answer

B. रेखा (x=4) के बाईं ओर सहितleft of (x=4) including the line

Step 1

Concept

In \(x\le 4\), (x) is (4) or less. Hence the region to the left of (x=4) is taken.

Step 2

Why this answer is correct

The correct answer is B. रेखा (x=4) के बाईं ओर सहित / left of (x=4) including the line. In \(x\le 4\), (x) is (4) or less. Hence the region to the left of (x=4) is taken.

Step 3

Exam Tip

\(x\le 4\) में (x) का मान (4) या उससे कम है। इसलिए (x=4) के बाईं ओर का क्षेत्र लिया जाता है।

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असमानता (y>3) का आलेख किस क्षेत्र को दर्शाता है?

Which region is represented by (y>3)?

Explanation opens after your attempt
Correct Answer

A. रेखा (y=3) के ऊपर पर रेखा शामिल नहींabove (y=3) excluding the line

Step 1

Concept

In (y>3), (y) is greater than (3) and the boundary is excluded. Shade above the dashed horizontal line.

Step 2

Why this answer is correct

The correct answer is A. रेखा (y=3) के ऊपर पर रेखा शामिल नहीं / above (y=3) excluding the line. In (y>3), (y) is greater than (3) and the boundary is excluded. Shade above the dashed horizontal line.

Step 3

Exam Tip

(y>3) में (y) का मान (3) से बड़ा है और सीमा रेखा शामिल नहीं है। इसलिए टूटी क्षैतिज रेखा के ऊपर शेड करें।

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रेखाओं (x+y=6) और (x-y=2) का प्रतिच्छेद बिंदु क्या है?

What is the intersection point of the lines (x+y=6) and (x-y=2)?

Explanation opens after your attempt
Correct Answer

B. ((4,2))

Step 1

Concept

Adding the equations gives (2x=8), so (x=4) and (y=2). Intersection points form corners of a feasible region.

Step 2

Why this answer is correct

The correct answer is B. ((4,2)). Adding the equations gives (2x=8), so (x=4) and (y=2). Intersection points form corners of a feasible region.

Step 3

Exam Tip

दोनों समीकरण जोड़ने पर (2x=8) इसलिए (x=4) और (y=2)। प्रतिच्छेद बिंदु feasible region के कोने बनाते हैं।

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रेखाओं (2x+y=10) और (x+2y=8) का प्रतिच्छेद बिंदु कौन-सा है?

Which is the intersection point of (2x+y=10) and (x+2y=8)?

Explanation opens after your attempt
Correct Answer

A. ((4,2))

Step 1

Concept

Using (y=10-2x) in the second equation gives (x+2(10-2x)=8). Thus (x=4) and (y=2).

Step 2

Why this answer is correct

The correct answer is A. ((4,2)). Using (y=10-2x) in the second equation gives (x+2(10-2x)=8). Thus (x=4) and (y=2).

Step 3

Exam Tip

पहले समीकरण से (y=10-2x) रखकर (x+2(10-2x)=8) मिलता है। इससे (x=4) और (y=2) आते हैं।

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असमानता \(x+2y\le 10\) और शर्तें \(x\ge 0\), \(y\ge 0\) से बने क्षेत्र का आकार कैसा होगा?

With \(x+2y\le 10\), \(x\ge 0\), and \(y\ge 0\), what is the shape of the region?

Explanation opens after your attempt
Correct Answer

A. त्रिभुजtriangle

Step 1

Concept

The axes and the line (x+2y=10) form a closed triangle. First-quadrant conditions can make the region bounded.

Step 2

Why this answer is correct

The correct answer is A. त्रिभुज / triangle. The axes and the line (x+2y=10) form a closed triangle. First-quadrant conditions can make the region bounded.

Step 3

Exam Tip

अक्षों और रेखा (x+2y=10) से बंद त्रिभुज बनता है। प्रथम चतुर्थांश की शर्तें क्षेत्र को सीमित कर सकती हैं।

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शर्तों \(x\ge 1\), \(y\ge 2\) और \(x+y\le 7\) से बनने वाले क्षेत्र का एक शीर्ष कौन-सा है?

Which point is a vertex of the region formed by \(x\ge 1\), \(y\ge 2\), and \(x+y\le 7\)?

Explanation opens after your attempt
Correct Answer

A. ((1,2))

Step 1

Concept

The intersection of (x=1) and (y=2) is ((1,2)), and it satisfies \(x+y\le 7\). To find vertices, intersect boundary lines pairwise.

Step 2

Why this answer is correct

The correct answer is A. ((1,2)). The intersection of (x=1) and (y=2) is ((1,2)), and it satisfies \(x+y\le 7\). To find vertices, intersect boundary lines pairwise.

Step 3

Exam Tip

(x=1) और (y=2) का प्रतिच्छेद ((1,2)) है और यह \(x+y\le 7\) को संतुष्ट करता है। शीर्ष खोजते समय सीमा रेखाओं को जोड़ी में काटें।

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असमानताओं \(x+y\ge 4\), \(x\ge 0\), \(y\ge 0\) का हल क्षेत्र कैसा है?

What type of solution region is given by \(x+y\ge 4\), \(x\ge 0\), and \(y\ge 0\)?

Explanation opens after your attempt
Correct Answer

B. असीमितunbounded

Step 1

Concept

In the first quadrant, the region above (x+y=4) extends infinitely. Hence the region is unbounded.

Step 2

Why this answer is correct

The correct answer is B. असीमित / unbounded. In the first quadrant, the region above (x+y=4) extends infinitely. Hence the region is unbounded.

Step 3

Exam Tip

प्रथम चतुर्थांश में (x+y=4) के ऊपर का क्षेत्र अनंत तक जाता है। इसलिए क्षेत्र असीमित है।

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असमानताओं \(x\ge 0\), \(y\ge 0\), \(x+y\le 3\) के हल क्षेत्र में कौन-सा बिंदु नहीं आता?

Which point is not in the solution region of \(x\ge 0\), \(y\ge 0\), \(x+y\le 3\)?

Explanation opens after your attempt
Correct Answer

C. ((2,2))

Step 1

Concept

At ((2,2)), (x+y=4), which is greater than (3). Test options by substituting them into the inequalities.

Step 2

Why this answer is correct

The correct answer is C. ((2,2)). At ((2,2)), (x+y=4), which is greater than (3). Test options by substituting them into the inequalities.

Step 3

Exam Tip

((2,2)) पर (x+y=4) है जो (3) से बड़ा है। विकल्पों को असमानताओं में रखकर जांचें।

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यदि किसी असमानता में बिंदु ((0,0)) रखने पर कथन असत्य हो, तो शेडिंग किस ओर होगी?

If substituting ((0,0)) in an inequality makes the statement false, which side should be shaded?

Explanation opens after your attempt
Correct Answer

B. मूल बिंदु के विपरीत ओरside opposite the origin

Step 1

Concept

If the test point gives false, the solution region is not on that side. Hence choose the opposite half-plane.

Step 2

Why this answer is correct

The correct answer is B. मूल बिंदु के विपरीत ओर / side opposite the origin. If the test point gives false, the solution region is not on that side. Hence choose the opposite half-plane.

Step 3

Exam Tip

यदि परीक्षण बिंदु असत्य देता है तो हल क्षेत्र उस ओर नहीं होगा। इसलिए विपरीत अर्ध-समतल चुनते हैं।

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असमानता \(x-2y\ge 6\) के लिए मूल बिंदु परीक्षण क्या देता है?

What does the origin test give for \(x-2y\ge 6\)?

Explanation opens after your attempt
Correct Answer

B. \(0\ge 6\) असत्य\(0\ge 6\) false

Step 1

Concept

Substituting ((0,0)) gives \(0\ge 6\), which is false. Hence choose the region opposite to the origin.

Step 2

Why this answer is correct

The correct answer is B. \(0\ge 6\) असत्य / \(0\ge 6\) false. Substituting ((0,0)) gives \(0\ge 6\), which is false. Hence choose the region opposite to the origin.

Step 3

Exam Tip

((0,0)) रखने पर \(0\ge 6\) असत्य है। इसलिए मूल बिंदु के विपरीत भाग को चुनें।

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रेखा (2x+5y=20) के अवरोध कौन-से हैं?

What are the intercepts of the line (2x+5y=20)?

Explanation opens after your attempt
Correct Answer

A. ((10,0)) और ((0,4))((10,0)) and ((0,4))

Step 1

Concept

At (y=0), (x=10), and at (x=0), (y=4). These two points are enough to draw the boundary line.

Step 2

Why this answer is correct

The correct answer is A. ((10,0)) और ((0,4)) / ((10,0)) and ((0,4)). At (y=0), (x=10), and at (x=0), (y=4). These two points are enough to draw the boundary line.

Step 3

Exam Tip

(y=0) पर (x=10) और (x=0) पर (y=4) मिलता है। सीमा रेखा खींचने में ये दो बिंदु पर्याप्त हैं।

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असमानता \(3x+4y\le 24\), \(x\ge 0\), \(y\ge 0\) से बने क्षेत्र के शीर्ष कौन-से हैं?

What are the vertices of the region \(3x+4y\le 24\), \(x\ge 0\), \(y\ge 0\)?

Explanation opens after your attempt
Correct Answer

A. ((0,0)), ((8,0)), ((0,6))

Step 1

Concept

The line intercepts are ((8,0)) and ((0,6)), and the axes meet at ((0,0)). These are the triangle vertices in the first quadrant.

Step 2

Why this answer is correct

The correct answer is A. ((0,0)), ((8,0)), ((0,6)). The line intercepts are ((8,0)) and ((0,6)), and the axes meet at ((0,0)). These are the triangle vertices in the first quadrant.

Step 3

Exam Tip

रेखा के अवरोध ((8,0)) और ((0,6)) हैं तथा अक्षों का प्रतिच्छेद ((0,0)) है। प्रथम चतुर्थांश में ये त्रिभुज के शीर्ष हैं।

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असमानताओं \(x\le 5\) और \(y\le 3\) का संयुक्त क्षेत्र कौन-सा है?

What is the common region of \(x\le 5\) and \(y\le 3\)?

Explanation opens after your attempt
Correct Answer

A. रेखा (x=5) के बाईं और (y=3) के नीचे का क्षेत्रleft of (x=5) and below (y=3)

Step 1

Concept

\(x\le 5\) gives the left side and \(y\le 3\) gives the lower side. The common region is the overlap of both conditions.

Step 2

Why this answer is correct

The correct answer is A. रेखा (x=5) के बाईं और (y=3) के नीचे का क्षेत्र / left of (x=5) and below (y=3). \(x\le 5\) gives the left side and \(y\le 3\) gives the lower side. The common region is the overlap of both conditions.

Step 3

Exam Tip

\(x\le 5\) बाईं ओर और \(y\le 3\) नीचे का भाग देता है। संयुक्त क्षेत्र दोनों शर्तों का ओवरलैप होता है।

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असमानता (x+2y>8) के लिए सीमा रेखा (x+2y=8) पर स्थित बिंदु हल में शामिल होगा या नहीं?

Will a point on the boundary line (x+2y=8) be included in the solution of (x+2y>8)?

Explanation opens after your attempt
Correct Answer

B. नहींno

Step 1

Concept

With the sign (>), equality points are not included. Therefore the boundary line is not part of the solution.

Step 2

Why this answer is correct

The correct answer is B. नहीं / no. With the sign (>), equality points are not included. Therefore the boundary line is not part of the solution.

Step 3

Exam Tip

चिन्ह (>) होने से बराबरी वाले बिंदु शामिल नहीं होते। इसलिए सीमा रेखा हल का हिस्सा नहीं है।

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असमानता \(2x+3y\ge 18\) में सीमा रेखा (2x+3y=18) शामिल है या नहीं?

Is the boundary line (2x+3y=18) included in \(2x+3y\ge 18\)?

Explanation opens after your attempt
Correct Answer

A. हाँyes

Step 1

Concept

The sign \(\ge\) includes equality. So the boundary line is solid and belongs to the solution.

Step 2

Why this answer is correct

The correct answer is A. हाँ / yes. The sign \(\ge\) includes equality. So the boundary line is solid and belongs to the solution.

Step 3

Exam Tip

\(\ge\) में बराबरी भी शामिल होती है। इसलिए सीमा रेखा ठोस बनती है और हल में आती है।

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रेखा (x+4y=12) और (x=0) का प्रतिच्छेद कौन-सा है?

What is the intersection of (x+4y=12) and (x=0)?

Explanation opens after your attempt
Correct Answer

C. ((0,3))

Step 1

Concept

Putting (x=0) gives (4y=12), so (y=3). This is also the (y)-intercept.

Step 2

Why this answer is correct

The correct answer is C. ((0,3)). Putting (x=0) gives (4y=12), so (y=3). This is also the (y)-intercept.

Step 3

Exam Tip

(x=0) रखने पर (4y=12) इसलिए (y=3)। यह (y)-अवरोध भी है।

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रेखा (5x+2y=20) और (y=0) का प्रतिच्छेद कौन-सा है?

What is the intersection of (5x+2y=20) and (y=0)?

Explanation opens after your attempt
Correct Answer

B. ((4,0))

Step 1

Concept

Putting (y=0) gives (5x=20), so (x=4). This is the (x)-intercept.

Step 2

Why this answer is correct

The correct answer is B. ((4,0)). Putting (y=0) gives (5x=20), so (x=4). This is the (x)-intercept.

Step 3

Exam Tip

(y=0) रखने पर (5x=20) इसलिए (x=4)। यह (x)-अवरोध है।

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असमानता \(x-y\le 2\) को (y) के रूप में लिखने पर क्या मिलेगा?

When \(x-y\le 2\) is written in terms of (y), what is obtained?

Explanation opens after your attempt
Correct Answer

A. \(y\ge x-2\)

Step 1

Concept

From \(x-y\le 2\), \(-y\le 2-x\), and reversing the sign gives \(y\ge x-2\). Do not forget to reverse the sign when dividing by a negative.

Step 2

Why this answer is correct

The correct answer is A. \(y\ge x-2\). From \(x-y\le 2\), \(-y\le 2-x\), and reversing the sign gives \(y\ge x-2\). Do not forget to reverse the sign when dividing by a negative.

Step 3

Exam Tip

\(x-y\le 2\) से \(-y\le 2-x\) और चिन्ह बदलकर \(y\ge x-2\) मिलता है। ऋणात्मक से भाग देने पर चिन्ह पलटना न भूलें।

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असमानता \(2y-x\le 6\) को (y) के रूप में लिखने पर कौन-सा रूप सही है?

Which form is correct when \(2y-x\le 6\) is written in terms of (y)?

Explanation opens after your attempt
Correct Answer

A. \(y\le \frac{x+6}{2}\)

Step 1

Concept

Adding (x) gives \(2y\le x+6\). Hence \(y\le \frac{x+6}{2}\) is correct.

Step 2

Why this answer is correct

The correct answer is A. \(y\le \frac{x+6}{2}\). Adding (x) gives \(2y\le x+6\). Hence \(y\le \frac{x+6}{2}\) is correct.

Step 3

Exam Tip

\(2y-x\le 6\) में (x) जोड़ने पर \(2y\le x+6\) मिलता है। इसलिए \(y\le \frac{x+6}{2}\) सही है।

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असमानताओं \(y\ge x\) और \(y\le 4\) का संयुक्त क्षेत्र कैसा होगा?

What is the common region of \(y\ge x\) and \(y\le 4\)?

Explanation opens after your attempt
Correct Answer

A. रेखा (y=x) के ऊपर और (y=4) के नीचेabove (y=x) and below (y=4)

Step 1

Concept

The first inequality gives the region above the line and the second gives the region below (y=4). The common region is their overlap.

Step 2

Why this answer is correct

The correct answer is A. रेखा (y=x) के ऊपर और (y=4) के नीचे / above (y=x) and below (y=4). The first inequality gives the region above the line and the second gives the region below (y=4). The common region is their overlap.

Step 3

Exam Tip

पहली असमानता ऊपर का क्षेत्र और दूसरी नीचे का क्षेत्र देती है। संयुक्त क्षेत्र दोनों के बीच का ओवरलैप है।

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असमानताओं \(x+y\le 5\) और \(x+y\ge 2\) का संयुक्त क्षेत्र क्या कहलाएगा?

What is the common region of \(x+y\le 5\) and \(x+y\ge 2\)?

Explanation opens after your attempt
Correct Answer

A. दो समानांतर रेखाओं के बीच की पट्टीstrip between two parallel lines

Step 1

Concept

The boundary lines (x+y=5) and (x+y=2) are parallel. The region between them is the common solution.

Step 2

Why this answer is correct

The correct answer is A. दो समानांतर रेखाओं के बीच की पट्टी / strip between two parallel lines. The boundary lines (x+y=5) and (x+y=2) are parallel. The region between them is the common solution.

Step 3

Exam Tip

दोनों सीमा रेखाएं (x+y=5) और (x+y=2) समानांतर हैं। इनके बीच का क्षेत्र संयुक्त हल है।

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असमानताओं \(x+y\le 1\) और \(x+y\ge 4\) का संयुक्त हल क्या है?

What is the common solution of \(x+y\le 1\) and \(x+y\ge 4\)?

Explanation opens after your attempt
Correct Answer

C. रिक्त समुच्चयempty set

Step 1

Concept

No value can be both less than or equal to (1) and greater than or equal to (4) at the same time. Hence there is no common solution.

Step 2

Why this answer is correct

The correct answer is C. रिक्त समुच्चय / empty set. No value can be both less than or equal to (1) and greater than or equal to (4) at the same time. Hence there is no common solution.

Step 3

Exam Tip

कोई संख्या एक साथ (1) से कम या बराबर और (4) से अधिक या बराबर नहीं हो सकती। इसलिए संयुक्त हल नहीं है।

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असमानता \(x+2y\le 6\) में बिंदु ((2,2)) की स्थिति क्या है?

What is the position of ((2,2)) with respect to \(x+2y\le 6\)?

Explanation opens after your attempt
Correct Answer

B. सीमा रेखा परon boundary line

Step 1

Concept

Substituting ((2,2)) gives (2+4=6). Equality means the point lies on the boundary and is included.

Step 2

Why this answer is correct

The correct answer is B. सीमा रेखा पर / on boundary line. Substituting ((2,2)) gives (2+4=6). Equality means the point lies on the boundary and is included.

Step 3

Exam Tip

((2,2)) रखने पर (2+4=6) मिलता है। बराबरी होने से बिंदु सीमा रेखा पर है और हल में शामिल है।

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असमानता (3x+y<9) में बिंदु ((3,0)) की स्थिति क्या है?

What is the position of ((3,0)) with respect to (3x+y<9)?

Explanation opens after your attempt
Correct Answer

B. सीमा रेखा पर लेकिन हल में शामिल नहींon boundary but not included

Step 1

Concept

At ((3,0)), (3x+y=9), but the inequality is (<). Thus boundary points are not included in the solution.

Step 2

Why this answer is correct

The correct answer is B. सीमा रेखा पर लेकिन हल में शामिल नहीं / on boundary but not included. At ((3,0)), (3x+y=9), but the inequality is (<). Thus boundary points are not included in the solution.

Step 3

Exam Tip

((3,0)) पर (3x+y=9) है लेकिन असमानता (<) है। इसलिए सीमा रेखा के बिंदु हल में शामिल नहीं होते।

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असमानता (x-3y>0) का शेडिंग क्षेत्र किस रूप में लिखा जा सकता है?

How can the shaded region of (x-3y>0) be written?

Explanation opens after your attempt
Correct Answer

A. \(y<\frac{x}{3}\)

Step 1

Concept

From (x-3y>0), (-3y>-x), and reversing the sign gives \(y<\frac{x}{3}\). So the region is below the line.

Step 2

Why this answer is correct

The correct answer is A. \(y<\frac{x}{3}\). From (x-3y>0), (-3y>-x), and reversing the sign gives \(y<\frac{x}{3}\). So the region is below the line.

Step 3

Exam Tip

(x-3y>0) से (-3y>-x) और चिन्ह पलटकर \(y<\frac{x}{3}\) मिलता है। इसलिए रेखा के नीचे का क्षेत्र होगा।

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असमानता \(4x+y\le 16\) के आलेख में कौन-सा बिंदु हल क्षेत्र में होगा?

Which point lies in the solution region of \(4x+y\le 16\)?

Explanation opens after your attempt
Correct Answer

C. ((3,3))

Step 1

Concept

Substituting ((3,3)) gives \(12+3=15\le 16\), which is true. Quickly test each option in the inequality.

Step 2

Why this answer is correct

The correct answer is C. ((3,3)). Substituting ((3,3)) gives \(12+3=15\le 16\), which is true. Quickly test each option in the inequality.

Step 3

Exam Tip

((3,3)) रखने पर \(12+3=15\le 16\) सत्य है। प्रत्येक विकल्प को जल्दी से असमानता में जांचें।

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असमानता \(2x+5y\ge 10\) के हल क्षेत्र में कौन-सा बिंदु आता है?

Which point lies in the solution region of \(2x+5y\ge 10\)?

Explanation opens after your attempt
Correct Answer

D. ((3,1))

Step 1

Concept

Substituting ((3,1)) gives \(6+5=11\ge 10\), which is true. Use direct substitution to choose the correct option.

Step 2

Why this answer is correct

The correct answer is D. ((3,1)). Substituting ((3,1)) gives \(6+5=11\ge 10\), which is true. Use direct substitution to choose the correct option.

Step 3

Exam Tip

((3,1)) रखने पर \(6+5=11\ge 10\) सत्य है। सही विकल्प के लिए सीधे substitution करें।

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असमानता \(y\le -2x+7\) की सीमा रेखा का ढाल क्या है?

What is the slope of the boundary line of \(y\le -2x+7\)?

Explanation opens after your attempt
Correct Answer

C. (-2)

Step 1

Concept

The boundary line is (y=-2x+7), and the coefficient of (x) is the slope. Use the slope to understand the line direction.

Step 2

Why this answer is correct

The correct answer is C. (-2). The boundary line is (y=-2x+7), and the coefficient of (x) is the slope. Use the slope to understand the line direction.

Step 3

Exam Tip

सीमा रेखा (y=-2x+7) है और (x) का गुणांक ढाल होता है। ढाल देखकर रेखा की दिशा समझें।

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असमानता \(y\ge \frac{1}{2}x-3\) की सीमा रेखा का (y)-अवरोध क्या है?

What is the (y)-intercept of the boundary line of \(y\ge \frac{1}{2}x-3\)?

Explanation opens after your attempt
Correct Answer

B. (-3)

Step 1

Concept

The boundary line is \(y=\frac{1}{2}x-3\). Its (y)-intercept is (-3).

Step 2

Why this answer is correct

The correct answer is B. (-3). The boundary line is \(y=\frac{1}{2}x-3\). Its (y)-intercept is (-3).

Step 3

Exam Tip

सीमा रेखा \(y=\frac{1}{2}x-3\) है। इसमें (y)-अवरोध (-3) है।

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असमानताओं \(x\ge 0\), \(y\ge 0\), \(2x+y\le 8\), \(x+2y\le 8\) के हल क्षेत्र का एक शीर्ष कौन-सा है?

Which is a vertex of the solution region of \(x\ge 0\), \(y\ge 0\), \(2x+y\le 8\), and \(x+2y\le 8\)?

Explanation opens after your attempt
Correct Answer

C. (\left\(\frac{8}{3},\frac{8}{3}\right\))

Step 1

Concept

Solving the two oblique lines gives \(x=y=\frac{8}{3}\). This is an inner vertex of the common region.

Step 2

Why this answer is correct

The correct answer is C. (\left\(\frac{8}{3},\frac{8}{3}\right\)). Solving the two oblique lines gives \(x=y=\frac{8}{3}\). This is an inner vertex of the common region.

Step 3

Exam Tip

दोनों तिरछी रेखाओं को हल करने पर \(x=y=\frac{8}{3}\) मिलता है। यह संयुक्त क्षेत्र का अंदरूनी शीर्ष है।

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यदि किसी प्रणाली का हल क्षेत्र केवल एक रेखाखंड हो, तो इसे किस प्रकार का हल माना जाएगा?

If the solution region of a system is only a line segment, what type of solution is it?

Explanation opens after your attempt
Correct Answer

B. एक-आयामी सीमित हलone-dimensional bounded solution

Step 1

Concept

A line segment has infinitely many points but not a two-dimensional area. It is considered a bounded linear solution.

Step 2

Why this answer is correct

The correct answer is B. एक-आयामी सीमित हल / one-dimensional bounded solution. A line segment has infinitely many points but not a two-dimensional area. It is considered a bounded linear solution.

Step 3

Exam Tip

रेखाखंड में अनंत बिंदु होते हैं लेकिन वह क्षेत्रफल वाला द्वि-आयामी भाग नहीं होता। इसे सीमित रैखिक हल माना जाता है।

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असमानताओं \(x\ge 2\) और \(x\le 2\) का संयुक्त हल क्या है?

What is the common solution of \(x\ge 2\) and \(x\le 2\)?

Explanation opens after your attempt
Correct Answer

A. रेखा (x=2)line (x=2)

Step 1

Concept

Both conditions together give (x=2). When \(\ge\) and \(\le\) occur at the same number, equality is obtained.

Step 2

Why this answer is correct

The correct answer is A. रेखा (x=2) / line (x=2). Both conditions together give (x=2). When \(\ge\) and \(\le\) occur at the same number, equality is obtained.

Step 3

Exam Tip

दोनों शर्तें मिलकर (x=2) देती हैं। जब \(\ge\) और \(\le\) एक ही संख्या पर हों तो बराबरी मिलती है।

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असमानताओं (y>1) और (y<1) का संयुक्त हल क्या है?

What is the common solution of (y>1) and (y<1)?

Explanation opens after your attempt
Correct Answer

C. रिक्त समुच्चयempty set

Step 1

Concept

The same (y)-value cannot be both greater than and less than (1). Therefore there is no common solution.

Step 2

Why this answer is correct

The correct answer is C. रिक्त समुच्चय / empty set. The same (y)-value cannot be both greater than and less than (1). Therefore there is no common solution.

Step 3

Exam Tip

एक ही (y) मान (1) से बड़ा और छोटा दोनों नहीं हो सकता। इसलिए कोई संयुक्त हल नहीं है।

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प्रथम चतुर्थांश में \(x+3y\le 12\) से बने त्रिभुज का (y)-अवरोध कौन-सा है?

In the first quadrant, what is the (y)-intercept of the triangle formed by \(x+3y\le 12\)?

Explanation opens after your attempt
Correct Answer

B. ((0,4))

Step 1

Concept

Putting (x=0) gives (3y=12), so (y=4). Hence the vertex on the (y)-axis is ((0,4)).

Step 2

Why this answer is correct

The correct answer is B. ((0,4)). Putting (x=0) gives (3y=12), so (y=4). Hence the vertex on the (y)-axis is ((0,4)).

Step 3

Exam Tip

(x=0) रखने पर (3y=12) इसलिए (y=4)। इसलिए (y)-अक्ष पर शीर्ष ((0,4)) है।

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प्रथम चतुर्थांश में \(4x+y\le 20\) से बने क्षेत्र का (x)-अवरोध कौन-सा है?

In the first quadrant, what is the (x)-intercept of the region formed by \(4x+y\le 20\)?

Explanation opens after your attempt
Correct Answer

C. ((5,0))

Step 1

Concept

Putting (y=0) gives (4x=20), so (x=5). This is the vertex on the (x)-axis.

Step 2

Why this answer is correct

The correct answer is C. ((5,0)). Putting (y=0) gives (4x=20), so (x=5). This is the vertex on the (x)-axis.

Step 3

Exam Tip

(y=0) रखने पर (4x=20) इसलिए (x=5)। यह (x)-अक्ष पर बनने वाला शीर्ष है।

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असमानता \(x+2y\le 0\) के लिए मूल बिंदु ((0,0)) की स्थिति क्या है?

What is the position of the origin ((0,0)) for \(x+2y\le 0\)?

Explanation opens after your attempt
Correct Answer

A. हल में शामिल और सीमा परincluded in solution and on boundary

Step 1

Concept

Substituting ((0,0)) gives \(0\le 0\), which is true with equality. So the origin is included on the boundary line.

Step 2

Why this answer is correct

The correct answer is A. हल में शामिल और सीमा पर / included in solution and on boundary. Substituting ((0,0)) gives \(0\le 0\), which is true with equality. So the origin is included on the boundary line.

Step 3

Exam Tip

((0,0)) रखने पर \(0\le 0\) सत्य है और बराबरी भी है। इसलिए मूल बिंदु सीमा रेखा पर शामिल है।

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असमानता (2x+2y<10) को सरल करने पर कौन-सी असमानता मिलती है?

Which inequality is obtained by simplifying (2x+2y<10)?

Explanation opens after your attempt
Correct Answer

A. (x+y<5)

Step 1

Concept

Dividing the whole inequality by (2) gives (x+y<5). Dividing by a positive number does not change the sign.

Step 2

Why this answer is correct

The correct answer is A. (x+y<5). Dividing the whole inequality by (2) gives (x+y<5). Dividing by a positive number does not change the sign.

Step 3

Exam Tip

पूरी असमानता को (2) से भाग देने पर (x+y<5) मिलता है। धनात्मक संख्या से भाग देने पर चिन्ह नहीं बदलता।

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असमानता \(-x+y\le 3\) का सीमा रेखा रूप कौन-सा है?

What is the boundary-line form of \(-x+y\le 3\)?

Explanation opens after your attempt
Correct Answer

B. (-x+y=3)

Step 1

Concept

To get the boundary line, replace the inequality sign by (=). Hence (-x+y=3) is correct.

Step 2

Why this answer is correct

The correct answer is B. (-x+y=3). To get the boundary line, replace the inequality sign by (=). Hence (-x+y=3) is correct.

Step 3

Exam Tip

सीमा रेखा पाने के लिए असमानता चिन्ह को (=) से बदलते हैं। इसलिए (-x+y=3) सही है।

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असमानताओं \(x\ge 0\), \(y\ge 0\), \(x+y\le 6\), \(x\le 4\) से बने क्षेत्र का कौन-सा बिंदु हल में नहीं है?

Which point is not in the region formed by \(x\ge 0\), \(y\ge 0\), \(x+y\le 6\), and \(x\le 4\)?

Explanation opens after your attempt
Correct Answer

D. ((5,0))

Step 1

Concept

At ((5,0)), \(x\le 4\) is false. It is necessary to check every condition separately.

Step 2

Why this answer is correct

The correct answer is D. ((5,0)). At ((5,0)), \(x\le 4\) is false. It is necessary to check every condition separately.

Step 3

Exam Tip

((5,0)) पर \(x\le 4\) असत्य है। सभी शर्तों को अलग-अलग जांचना जरूरी है।

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एक ठोस सीमा रेखा ((5,0)) और ((0,5)) से गुजरती है तथा शेडिंग मूल बिंदु की विपरीत ओर है। कौन-सी असमानता सही है?

A solid boundary line passes through ((5,0)) and ((0,5)), and the shading is on the side opposite to the origin. Which inequality is correct?

Explanation opens after your attempt
Correct Answer

C. \(x+y\ge 5\)

Step 1

Concept

The line is (x+y=5), and the origin does not satisfy \(0\ge 5\). Since the line is solid, equality is included.

Step 2

Why this answer is correct

The correct answer is C. \(x+y\ge 5\). The line is (x+y=5), and the origin does not satisfy \(0\ge 5\). Since the line is solid, equality is included.

Step 3

Exam Tip

रेखा (x+y=5) है और मूल बिंदु \(0\ge 5\) को संतुष्ट नहीं करता। ठोस रेखा होने से बराबरी शामिल होगी।

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असमानताओं \(x\ge 0\), \(y\ge 0\), \(x+2y\ge 6\), \(2x+y\ge 6\) का संयुक्त क्षेत्र कैसा होगा?

What type of common region is formed by \(x\ge 0\), \(y\ge 0\), \(x+2y\ge 6\), and \(2x+y\ge 6\)?

Explanation opens after your attempt
Correct Answer

B. असीमित क्षेत्रunbounded region

Step 1

Concept

In the first quadrant, the region above both lines extends infinitely. Therefore the solution region is unbounded.

Step 2

Why this answer is correct

The correct answer is B. असीमित क्षेत्र / unbounded region. In the first quadrant, the region above both lines extends infinitely. Therefore the solution region is unbounded.

Step 3

Exam Tip

प्रथम चतुर्थांश में दोनों रेखाओं के ऊपर का क्षेत्र अनंत तक फैलता है। इसलिए हल क्षेत्र असीमित है।

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शर्तों \(y\ge 0\), \(x\le 6\), \(y\le x-2\) से बनने वाले क्षेत्र का एक शीर्ष कौन-सा है?

Which point is a vertex of the region formed by \(y\ge 0\), \(x\le 6\), and \(y\le x-2\)?

Explanation opens after your attempt
Correct Answer

B. ((2,0))

Step 1

Concept

Solving (y=0) with (y=x-2) gives (x=2). Hence ((2,0)) is one vertex of the region.

Step 2

Why this answer is correct

The correct answer is B. ((2,0)). Solving (y=0) with (y=x-2) gives (x=2). Hence ((2,0)) is one vertex of the region.

Step 3

Exam Tip

(y=0) और (y=x-2) को मिलाने पर (x=2) मिलता है। इसलिए ((2,0)) क्षेत्र का एक शीर्ष है।

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