Concept-wise Practice

class 11 MCQ Questions for Class 11

class 11 se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.

Practice Questions

2918 questions tagged with class 11.

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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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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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 \(2x+5y\ge 10\) 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 \(4x+y\le 16\) 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 (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 (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 \(x+2y\le 6\) 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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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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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 \(y\ge x\) 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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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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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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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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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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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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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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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 \(3x+4y\le 24\), \(x\ge 0\), \(y\ge 0\) 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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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 \(x-2y\ge 6\) 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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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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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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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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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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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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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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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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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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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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