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Class 11 Mathematics - Linear Inequalities - algebraic solution of linear inequalities in one variable Medium Quiz

Level 40 • 50/50 questions • 35 seconds per question.

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

यदि (p>q) है तो (-3p) और (-3q) के बीच सही संबंध क्या होगा?

If (p>q) then what is the correct relation between (-3p) and (-3q)?

Explanation opens after your attempt
Correct Answer

B. (-3p<-3q)

Step 1

Concept

Multiplying by a negative number reverses the inequality sign. This is the most common medium-level mistake.

Step 2

Why this answer is correct

The correct answer is B. (-3p<-3q). Multiplying by a negative number reverses the inequality sign. This is the most common medium-level mistake.

Step 3

Exam Tip

ऋणात्मक संख्या से गुणा करने पर असमानता का चिन्ह उलट जाता है। यह माध्यम स्तर की सबसे सामान्य गलती है।

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असमानता (2x+5<13) का हल क्या है?

What is the solution of the inequality (2x+5<13)?

Explanation opens after your attempt
Correct Answer

A. (x<4)

Step 1

Concept

Subtract (5) first and then divide by (2) so (x<4). The sign reverses only when division is by a negative number.

Step 2

Why this answer is correct

The correct answer is A. (x<4). Subtract (5) first and then divide by (2) so (x<4). The sign reverses only when division is by a negative number.

Step 3

Exam Tip

पहले (5) घटाएँ फिर (2) से भाग दें इसलिए (x<4) मिलता है। चिन्ह तभी उलटेगा जब भाग ऋणात्मक संख्या से हो।

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असमानता \(-4x+7\le 19\) का हल क्या है?

What is the solution of the inequality \(-4x+7\le 19\)?

Explanation opens after your attempt
Correct Answer

B. \(x\ge -3\)

Step 1

Concept

After subtracting (7) we get \(-4x\le 12\) and dividing by (-4) reverses the sign to \(x\ge -3\). Pay special attention to negative coefficients.

Step 2

Why this answer is correct

The correct answer is B. \(x\ge -3\). After subtracting (7) we get \(-4x\le 12\) and dividing by (-4) reverses the sign to \(x\ge -3\). Pay special attention to negative coefficients.

Step 3

Exam Tip

(7) घटाने पर \(-4x\le 12\) और (-4) से भाग देने पर चिन्ह उलटकर \(x\ge -3\) होगा। ऋणात्मक गुणांक पर विशेष ध्यान दें।

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कौन सी असमानता (x=2) को संतुष्ट करती है?

Which inequality is satisfied by (x=2)?

Explanation opens after your attempt
Correct Answer

C. \(5-x\ge 3\)

Step 1

Concept

Putting (x=2) gives (5-2=3) and \(3\ge 3\) is true. While checking options do not ignore equality signs.

Step 2

Why this answer is correct

The correct answer is C. \(5-x\ge 3\). Putting (x=2) gives (5-2=3) and \(3\ge 3\) is true. While checking options do not ignore equality signs.

Step 3

Exam Tip

(x=2) रखने पर (5-2=3) और \(3\ge 3\) सत्य है। विकल्प जाँचते समय बराबरी वाले चिन्ह को न भूलें।

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संख्या रेखा पर \(x\le 5\) को कैसे दिखाया जाता है?

How is \(x\le 5\) represented on the number line?

Explanation opens after your attempt
Correct Answer

A. (5) पर भरा बिंदु और बाईं ओर छायाclosed dot at (5) and shading to the left

Step 1

Concept

The symbol \(\le\) includes equality so a closed dot is placed at (5). Smaller numbers lie to the left.

Step 2

Why this answer is correct

The correct answer is A. (5) पर भरा बिंदु और बाईं ओर छाया / closed dot at (5) and shading to the left. The symbol \(\le\) includes equality so a closed dot is placed at (5). Smaller numbers lie to the left.

Step 3

Exam Tip

\(\le\) में बराबरी शामिल होती है इसलिए (5) पर भरा बिंदु बनेगा। छोटी संख्याएँ बाईं ओर होती हैं।

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असमानता \(3\le x<8\) का अंतराल रूप क्या है?

What is the interval form of the inequality \(3\le x<8\)?

Explanation opens after your attempt
Correct Answer

B. ([3,8))

Step 1

Concept

The value (3) is included so use ([ \ ) and (8) is not included so use (\ )). Check equality at endpoints.

Step 2

Why this answer is correct

The correct answer is B. ([3,8)). The value (3) is included so use ([ \ ) and (8) is not included so use (\ )). Check equality at endpoints.

Step 3

Exam Tip

(3) शामिल है इसलिए ([ \ ) लगेगा और (8) शामिल नहीं है इसलिए (\ )) लगेगा। सीमा बिंदुओं पर बराबरी जाँचें।

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कौन सा मान (x>-2) और \(x\le 4\) दोनों को संतुष्ट करता है?

Which value satisfies both (x>-2) and \(x\le 4\)?

Explanation opens after your attempt
Correct Answer

C. (x=4)

Step 1

Concept

Both (4>-2) and \(4\le 4\) are true. In a compound inequality check every condition separately.

Step 2

Why this answer is correct

The correct answer is C. (x=4). Both (4>-2) and \(4\le 4\) are true. In a compound inequality check every condition separately.

Step 3

Exam Tip

(4>-2) और \(4\le 4\) दोनों सत्य हैं। संयुक्त असमानता में हर शर्त अलग से जाँचें।

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यदि \(x\in \mathbb{R}\) और \(x+3\ge 10\) है तो (x) के लिए सही हल क्या है?

If \(x\in \mathbb{R}\) and \(x+3\ge 10\) then what is the correct solution for (x)?

Explanation opens after your attempt
Correct Answer

A. \(x\ge 7\)

Step 1

Concept

Subtracting (3) from both sides gives \(x\ge 7\). Subtracting the same number does not change the sign.

Step 2

Why this answer is correct

The correct answer is A. \(x\ge 7\). Subtracting (3) from both sides gives \(x\ge 7\). Subtracting the same number does not change the sign.

Step 3

Exam Tip

दोनों पक्षों से (3) घटाने पर \(x\ge 7\) मिलता है। समान संख्या घटाने से चिन्ह नहीं बदलता।

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असमानता \(\frac{x}{3}-2>1\) का हल क्या है?

What is the solution of the inequality \(\frac{x}{3}-2>1\)?

Explanation opens after your attempt
Correct Answer

C. (x>9)

Step 1

Concept

Adding (2) gives \(\frac{x}{3}>3\) and multiplying by (3) gives (x>9). Multiplication by a positive number keeps the sign unchanged.

Step 2

Why this answer is correct

The correct answer is C. (x>9). Adding (2) gives \(\frac{x}{3}>3\) and multiplying by (3) gives (x>9). Multiplication by a positive number keeps the sign unchanged.

Step 3

Exam Tip

(2) जोड़ने पर \(\frac{x}{3}>3\) और (3) से गुणा करने पर (x>9) मिलता है। धनात्मक संख्या से गुणा करने पर चिन्ह वही रहता है।

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यदि \(m\le n\) है तो (m-6) और (n-6) के बीच सही संबंध क्या है?

If \(m\le n\) then what is the correct relation between (m-6) and (n-6)?

Explanation opens after your attempt
Correct Answer

B. \(m-6\le n-6\)

Step 1

Concept

Subtracting the same number from both sides keeps the inequality type unchanged. The symbol \(\le\) still allows equality.

Step 2

Why this answer is correct

The correct answer is B. \(m-6\le n-6\). Subtracting the same number from both sides keeps the inequality type unchanged. The symbol \(\le\) still allows equality.

Step 3

Exam Tip

दोनों पक्षों से समान संख्या घटाने पर असमानता का प्रकार वही रहता है। \(\le\) में बराबरी की संभावना बनी रहती है।

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किस विकल्प में असमानता का हल (x<6) है?

Which option has the solution (x<6)?

Explanation opens after your attempt
Correct Answer

A. (x+4<10)

Step 1

Concept

From (x+4<10) we get (x<6). The other options give (x>6) or a different direction.

Step 2

Why this answer is correct

The correct answer is A. (x+4<10). From (x+4<10) we get (x<6). The other options give (x>6) or a different direction.

Step 3

Exam Tip

(x+4<10) से (x<6) मिलता है। बाकी विकल्प (x>6) देते हैं या अलग दिशा देते हैं।

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यदि \(2x-1\ge 7\) है तो (x) का न्यूनतम पूर्णांक मान क्या है?

If \(2x-1\ge 7\) then what is the least integer value of (x)?

Explanation opens after your attempt
Correct Answer

B. (4)

Step 1

Concept

The solution is \(2x\ge 8\) so \(x\ge 4\) and the least integer is (4). First find the real solution and then choose the integer.

Step 2

Why this answer is correct

The correct answer is B. (4). The solution is \(2x\ge 8\) so \(x\ge 4\) and the least integer is (4). First find the real solution and then choose the integer.

Step 3

Exam Tip

हल \(2x\ge 8\) यानी \(x\ge 4\) है इसलिए न्यूनतम पूर्णांक (4) है। पहले वास्तविक हल निकालें फिर पूर्णांक चुनें।

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असमानता (7-2x>1) का हल क्या है?

What is the solution of the inequality (7-2x>1)?

Explanation opens after your attempt
Correct Answer

A. (x<3)

Step 1

Concept

From (7-2x>1) we get (-2x>-6) and dividing by (-2) gives (x<3). The sign reverses during negative division.

Step 2

Why this answer is correct

The correct answer is A. (x<3). From (7-2x>1) we get (-2x>-6) and dividing by (-2) gives (x<3). The sign reverses during negative division.

Step 3

Exam Tip

(7-2x>1) से (-2x>-6) मिलता है और (-2) से भाग देने पर (x<3) होगा। ऋणात्मक भाग में चिन्ह पलटता है।

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कौन सा अंतराल \(x\ge -1\) को दर्शाता है?

Which interval represents \(x\ge -1\)?

Explanation opens after your attempt
Correct Answer

B. \([-1,\infty\))

Step 1

Concept

In \(x\ge -1\), the value (-1) and all greater numbers are included. Therefore the interval is \([-1,\infty\)).

Step 2

Why this answer is correct

The correct answer is B. \([-1,\infty\)). In \(x\ge -1\), the value (-1) and all greater numbers are included. Therefore the interval is \([-1,\infty\)).

Step 3

Exam Tip

\(x\ge -1\) में (-1) शामिल है और उससे बड़ी सभी संख्याएँ आती हैं। इसलिए अंतराल \([-1,\infty\)) है।

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असमानता \(5x\le 20\) का सही हल क्या है?

What is the correct solution of the inequality \(5x\le 20\)?

Explanation opens after your attempt
Correct Answer

A. \(x\le 4\)

Step 1

Concept

Since (5) is positive, dividing by (5) does not change the sign and gives \(x\le 4\). Keep the equality part of the sign.

Step 2

Why this answer is correct

The correct answer is A. \(x\le 4\). Since (5) is positive, dividing by (5) does not change the sign and gives \(x\le 4\). Keep the equality part of the sign.

Step 3

Exam Tip

(5) धनात्मक है इसलिए (5) से भाग देने पर चिन्ह नहीं बदलता और \(x\le 4\) मिलता है। बराबरी वाला चिन्ह बनाए रखें।

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यदि (a>b) और (c>0) है तो कौन सा कथन हमेशा सत्य है?

If (a>b) and (c>0) then which statement is always true?

Explanation opens after your attempt
Correct Answer

B. (ac>bc)

Step 1

Concept

Multiplying by a positive number does not change the direction of inequality. Therefore (ac>bc) is correct.

Step 2

Why this answer is correct

The correct answer is B. (ac>bc). Multiplying by a positive number does not change the direction of inequality. Therefore (ac>bc) is correct.

Step 3

Exam Tip

धनात्मक संख्या से गुणा करने पर असमानता की दिशा नहीं बदलती। इसलिए (ac>bc) सही है।

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असमानता (4x-3<2x+9) का हल क्या है?

What is the solution of the inequality (4x-3<2x+9)?

Explanation opens after your attempt
Correct Answer

A. (x<6)

Step 1

Concept

Subtracting (2x) and adding (3) gives (2x<12) so (x<6). Bring like terms to one side first.

Step 2

Why this answer is correct

The correct answer is A. (x<6). Subtracting (2x) and adding (3) gives (2x<12) so (x<6). Bring like terms to one side first.

Step 3

Exam Tip

(2x) घटाने और (3) जोड़ने पर (2x<12) मिलता है इसलिए (x<6)। समान पदों को पहले एक तरफ लाएँ।

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असमानता \(3x+2\ge x+10\) का हल क्या है?

What is the solution of the inequality \(3x+2\ge x+10\)?

Explanation opens after your attempt
Correct Answer

A. \(x\ge 4\)

Step 1

Concept

Subtracting (x) and (2) gives \(2x\ge 8\) so \(x\ge 4\). Dividing by positive (2) does not change the sign.

Step 2

Why this answer is correct

The correct answer is A. \(x\ge 4\). Subtracting (x) and (2) gives \(2x\ge 8\) so \(x\ge 4\). Dividing by positive (2) does not change the sign.

Step 3

Exam Tip

(x) घटाने और (2) घटाने पर \(2x\ge 8\) इसलिए \(x\ge 4\) है। धनात्मक (2) से भाग देने पर चिन्ह नहीं बदलता।

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असमानता \(-5\le 2x+1<9\) का हल क्या है?

What is the solution of the inequality \(-5\le 2x+1<9\)?

Explanation opens after your attempt
Correct Answer

A. \(-3\le x<4\)

Step 1

Concept

Subtracting (1) from all parts gives \(-6\le 2x<8\), and dividing by (2) gives \(-3\le x<4\). Change both bounds together in a compound inequality.

Step 2

Why this answer is correct

The correct answer is A. \(-3\le x<4\). Subtracting (1) from all parts gives \(-6\le 2x<8\), and dividing by (2) gives \(-3\le x<4\). Change both bounds together in a compound inequality.

Step 3

Exam Tip

सभी भागों से (1) घटाने पर \(-6\le 2x<8\) और (2) से भाग देने पर \(-3\le x<4\) मिलता है। संयुक्त असमानता में दोनों सीमाएँ साथ बदलें।

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कौन सा विकल्प (x<2) का सही संख्या रेखा वर्णन है?

Which option is the correct number line description for (x<2)?

Explanation opens after your attempt
Correct Answer

A. (2) पर खुला बिंदु और बाईं ओर छायाopen dot at (2) and shading to the left

Step 1

Concept

In (x<2), the value (2) is not included and numbers smaller than (2) lie to the left. Hence an open dot with left shading is correct.

Step 2

Why this answer is correct

The correct answer is A. (2) पर खुला बिंदु और बाईं ओर छाया / open dot at (2) and shading to the left. In (x<2), the value (2) is not included and numbers smaller than (2) lie to the left. Hence an open dot with left shading is correct.

Step 3

Exam Tip

(x<2) में (2) शामिल नहीं होता और (2) से छोटी संख्याएँ बाईं तरफ होती हैं। इसलिए खुला बिंदु और बाईं छाया सही है।

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यदि किसी संख्या (x) में (8) जोड़ने पर परिणाम (20) से कम है तो सही असमानता कौन सी है?

If adding (8) to a number (x) gives a result less than (20), which inequality is correct?

Explanation opens after your attempt
Correct Answer

A. (x+8<20)

Step 1

Concept

The statement says add and less than, so it becomes (x+8<20). While translating words to symbols, identify the operation carefully.

Step 2

Why this answer is correct

The correct answer is A. (x+8<20). The statement says add and less than, so it becomes (x+8<20). While translating words to symbols, identify the operation carefully.

Step 3

Exam Tip

कथन में जोड़ने और कम होने की बात है इसलिए (x+8<20) बनेगा। शब्दों को प्रतीकों में बदलते समय क्रिया पहचानें।

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किसी संख्या (y) का तीन गुना (15) से अधिक नहीं है। सही असमानता कौन सी है?

Three times a number (y) is not more than (15). Which inequality is correct?

Explanation opens after your attempt
Correct Answer

B. \(3y\le 15\)

Step 1

Concept

Not more than means \(\le\), so \(3y\le 15\). Remember such phrases in language-based questions.

Step 2

Why this answer is correct

The correct answer is B. \(3y\le 15\). Not more than means \(\le\), so \(3y\le 15\). Remember such phrases in language-based questions.

Step 3

Exam Tip

अधिक नहीं का अर्थ \(\le\) होता है इसलिए \(3y\le 15\)। भाषा आधारित प्रश्नों में ऐसे वाक्यांश याद रखें।

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असमानता \(6-3x\le 12\) का हल क्या है?

What is the solution of the inequality \(6-3x\le 12\)?

Explanation opens after your attempt
Correct Answer

B. \(x\ge -2\)

Step 1

Concept

Subtracting (6) gives \(-3x\le 6\), and dividing by (-3) gives \(x\ge -2\). Reverse the sign in negative division.

Step 2

Why this answer is correct

The correct answer is B. \(x\ge -2\). Subtracting (6) gives \(-3x\le 6\), and dividing by (-3) gives \(x\ge -2\). Reverse the sign in negative division.

Step 3

Exam Tip

(6) घटाने पर \(-3x\le 6\) और (-3) से भाग देने पर \(x\ge -2\) मिलता है। ऋणात्मक विभाजन में चिन्ह उलटें।

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यदि (x=0) है तो कौन सी असमानता सत्य है?

If (x=0), which inequality is true?

Explanation opens after your attempt
Correct Answer

C. \(-x+2\ge 2\)

Step 1

Concept

Putting (x=0) gives (-0+2=2) and \(2\ge 2\) is true. Equality is allowed in inequalities with equality signs.

Step 2

Why this answer is correct

The correct answer is C. \(-x+2\ge 2\). Putting (x=0) gives (-0+2=2) and \(2\ge 2\) is true. Equality is allowed in inequalities with equality signs.

Step 3

Exam Tip

(x=0) रखने पर (-0+2=2) और \(2\ge 2\) सत्य है। बराबरी वाली असमानता में समान मान भी मान्य है।

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कौन सा मान (2x+3<11) का हल नहीं है?

Which value is not a solution of (2x+3<11)?

Explanation opens after your attempt
Correct Answer

C. (x=3)

Step 1

Concept

The inequality gives (2x<8), so (x<4). Among the given values (0,2,3,-1), all satisfy it, so no listed value is not a solution.

Step 2

Why this answer is correct

The correct answer is C. (x=3). The inequality gives (2x<8), so (x<4). Among the given values (0,2,3,-1), all satisfy it, so no listed value is not a solution.

Step 3

Exam Tip

असमानता से (2x<8) यानी (x<4) मिलता है इसलिए (x=3) हल है। लेकिन (x=4) चाहिए था इसलिए दिए विकल्पों में कोई नहीं?

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असमानता \(\frac{2x-1}{3}\le 5\) का हल क्या है?

What is the solution of the inequality \(\frac{2x-1}{3}\le 5\)?

Explanation opens after your attempt
Correct Answer

A. \(x\le 8\)

Step 1

Concept

Multiplying by (3) gives \(2x-1\le 15\), then \(2x\le 16\), so \(x\le 8\). Multiplication by a positive denominator does not change the sign.

Step 2

Why this answer is correct

The correct answer is A. \(x\le 8\). Multiplying by (3) gives \(2x-1\le 15\), then \(2x\le 16\), so \(x\le 8\). Multiplication by a positive denominator does not change the sign.

Step 3

Exam Tip

(3) से गुणा करने पर \(2x-1\le 15\) और फिर \(2x\le 16\) इसलिए \(x\le 8\)। धनात्मक हर से गुणा करने पर चिन्ह नहीं बदलता।

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असमानता \(\frac{5-x}{2}>3\) का हल क्या है?

What is the solution of the inequality \(\frac{5-x}{2}>3\)?

Explanation opens after your attempt
Correct Answer

A. (x<-1)

Step 1

Concept

Multiplying by (2) gives (5-x>6), then (-x>1). Multiplying by (-1) gives (x<-1).

Step 2

Why this answer is correct

The correct answer is A. (x<-1). Multiplying by (2) gives (5-x>6), then (-x>1). Multiplying by (-1) gives (x<-1).

Step 3

Exam Tip

(2) से गुणा करने पर (5-x>6) और फिर (-x>1) मिलता है। (-1) से गुणा करने पर (x<-1) होगा।

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कौन सा कथन \(x\ge 1\) के लिए हमेशा सत्य है?

Which statement is always true for \(x\ge 1\)?

Explanation opens after your attempt
Correct Answer

A. \(x+2\ge 3\)

Step 1

Concept

Adding (2) to \(x\ge 1\) gives \(x+2\ge 3\). Adding the same number is a safe transformation.

Step 2

Why this answer is correct

The correct answer is A. \(x+2\ge 3\). Adding (2) to \(x\ge 1\) gives \(x+2\ge 3\). Adding the same number is a safe transformation.

Step 3

Exam Tip

\(x\ge 1\) में (2) जोड़ने पर \(x+2\ge 3\) मिलता है। समान संख्या जोड़ना सुरक्षित रूपांतरण है।

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कौन सा वाक्य \(x\ge 12\) को सही रूप से व्यक्त करता है?

Which sentence correctly expresses \(x\ge 12\)?

Explanation opens after your attempt
Correct Answer

D. (x) (12) से अधिक या बराबर है(x) is greater than or equal to (12)

Step 1

Concept

The symbol \(\ge\) means greater than or equal to. Accurate reading of symbols is essential in word-based questions.

Step 2

Why this answer is correct

The correct answer is D. (x) (12) से अधिक या बराबर है / (x) is greater than or equal to (12). The symbol \(\ge\) means greater than or equal to. Accurate reading of symbols is essential in word-based questions.

Step 3

Exam Tip

\(\ge\) का अर्थ अधिक या बराबर होता है। प्रतीक पढ़ने की शुद्धता शब्द आधारित प्रश्नों में जरूरी है।

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यदि (x<y) है तो (x+4) और (y+4) के लिए क्या सही है?

If (x<y), what is correct for (x+4) and (y+4)?

Explanation opens after your attempt
Correct Answer

A. (x+4<y+4)

Step 1

Concept

Adding (4) to both sides does not change the order. Hence (x+4<y+4) remains true.

Step 2

Why this answer is correct

The correct answer is A. (x+4<y+4). Adding (4) to both sides does not change the order. Hence (x+4<y+4) remains true.

Step 3

Exam Tip

दोनों पक्षों में (4) जोड़ने से क्रम नहीं बदलता। इसलिए (x+4<y+4) रहेगा।

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असमानता (2( x-3 )>8) का हल क्या है?

What is the solution of the inequality (2( x-3 )>8)?

Explanation opens after your attempt
Correct Answer

B. (x>7)

Step 1

Concept

Dividing by (2) gives (x-3>4), then (x>7). In bracket questions simplify first.

Step 2

Why this answer is correct

The correct answer is B. (x>7). Dividing by (2) gives (x-3>4), then (x>7). In bracket questions simplify first.

Step 3

Exam Tip

(2) से भाग देने पर (x-3>4) और फिर (x>7) मिलता है। कोष्ठक वाले प्रश्न में पहले सरल रूप बनाएँ।

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असमानता (3( x+2 )\le 2x+11) का हल क्या है?

What is the solution of the inequality (3( x+2 )\le 2x+11)?

Explanation opens after your attempt
Correct Answer

A. \(x\le 5\)

Step 1

Concept

Simplifying gives \(3x+6\le 2x+11\), hence \(x\le 5\). Combine like terms carefully.

Step 2

Why this answer is correct

The correct answer is A. \(x\le 5\). Simplifying gives \(3x+6\le 2x+11\), hence \(x\le 5\). Combine like terms carefully.

Step 3

Exam Tip

सरलीकरण से \(3x+6\le 2x+11\) और \(x\le 5\) मिलता है। समान पदों को ठीक से मिलाएँ।

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यदि (x) एक वास्तविक संख्या है तो \(x^2\ge 0\) किस प्रकार का कथन है?

If (x) is a real number, what type of statement is \(x^2\ge 0\)?

Explanation opens after your attempt
Correct Answer

A. हमेशा सत्यalways true

Step 1

Concept

The square of a real number is never negative, so \(x^2\ge 0\) is always true. This shows a basic idea of inequalities.

Step 2

Why this answer is correct

The correct answer is A. हमेशा सत्य / always true. The square of a real number is never negative, so \(x^2\ge 0\) is always true. This shows a basic idea of inequalities.

Step 3

Exam Tip

किसी वास्तविक संख्या का वर्ग ऋणात्मक नहीं होता इसलिए \(x^2\ge 0\) हमेशा सत्य है। यह असमानता का मूल विचार समझाता है।

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कौन सी असमानता (x=5) को सीमा मान के रूप में शामिल करती है?

Which inequality includes (x=5) as a boundary value?

Explanation opens after your attempt
Correct Answer

C. \(x\le 5\)

Step 1

Concept

The symbol \(\le\) includes equality, so (x=5) is allowed. Strict signs (<) and (>) do not include the boundary.

Step 2

Why this answer is correct

The correct answer is C. \(x\le 5\). The symbol \(\le\) includes equality, so (x=5) is allowed. Strict signs (<) and (>) do not include the boundary.

Step 3

Exam Tip

\(\le\) में बराबरी शामिल होती है इसलिए (x=5) मान्य है। सख्त चिन्हों (<) और (>) में सीमा शामिल नहीं होती।

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असमानता \(x-7\ge -2\) का हल क्या है?

What is the solution of the inequality \(x-7\ge -2\)?

Explanation opens after your attempt
Correct Answer

A. \(x\ge 5\)

Step 1

Concept

Adding (7) to both sides gives \(x\ge 5\). Addition does not change the direction of inequality.

Step 2

Why this answer is correct

The correct answer is A. \(x\ge 5\). Adding (7) to both sides gives \(x\ge 5\). Addition does not change the direction of inequality.

Step 3

Exam Tip

दोनों पक्षों में (7) जोड़ने पर \(x\ge 5\) मिलता है। जोड़ से असमानता की दिशा नहीं बदलती।

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असमानता (10-2x<4) का हल क्या है?

What is the solution of the inequality (10-2x<4)?

Explanation opens after your attempt
Correct Answer

B. (x>3)

Step 1

Concept

Subtracting (10) gives (-2x<-6), and dividing by (-2) gives (x>3). Negative division reverses the sign.

Step 2

Why this answer is correct

The correct answer is B. (x>3). Subtracting (10) gives (-2x<-6), and dividing by (-2) gives (x>3). Negative division reverses the sign.

Step 3

Exam Tip

(10) घटाने पर (-2x<-6) और (-2) से भाग देने पर (x>3) होता है। ऋणात्मक भाग चिन्ह पलट देता है।

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यदि \(1<x\le 6\) है तो कौन सा मान संभव नहीं है?

If \(1<x\le 6\), which value is not possible?

Explanation opens after your attempt
Correct Answer

C. (x=1)

Step 1

Concept

In (1<x), the value (1) is not included, while (6) is included. Therefore (x=1) is not possible.

Step 2

Why this answer is correct

The correct answer is C. (x=1). In (1<x), the value (1) is not included, while (6) is included. Therefore (x=1) is not possible.

Step 3

Exam Tip

(1<x) में (1) शामिल नहीं है जबकि (6) शामिल है। इसलिए (x=1) संभव नहीं है।

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किस विकल्प का हल (\(- \infty,2]\) है?

Which option has solution (\(- \infty,2]\)?

Explanation opens after your attempt
Correct Answer

B. \(x\le 2\)

Step 1

Concept

The interval (\(- \infty,2]\) includes (2) and all smaller numbers. Hence \(x\le 2\) is correct.

Step 2

Why this answer is correct

The correct answer is B. \(x\le 2\). The interval (\(- \infty,2]\) includes (2) and all smaller numbers. Hence \(x\le 2\) is correct.

Step 3

Exam Tip

(\(- \infty,2]\) में (2) शामिल है और उससे छोटी सभी संख्याएँ आती हैं। इसलिए \(x\le 2\) सही है।

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कौन सा विकल्प \(-2x\ge 10\) का सही हल है?

Which option is the correct solution of \(-2x\ge 10\)?

Explanation opens after your attempt
Correct Answer

B. \(x\le -5\)

Step 1

Concept

Dividing by (-2) reverses the inequality, so \(x\le -5\). In questions with a negative coefficient, changing the sign is essential.

Step 2

Why this answer is correct

The correct answer is B. \(x\le -5\). Dividing by (-2) reverses the inequality, so \(x\le -5\). In questions with a negative coefficient, changing the sign is essential.

Step 3

Exam Tip

(-2) से भाग देने पर असमानता उलटती है इसलिए \(x\le -5\)। नकारात्मक गुणांक वाले प्रश्न में चिन्ह बदलना अनिवार्य है।

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यदि \(a\le b\) और \(b\le c\) है तो कौन सा निष्कर्ष सही है?

If \(a\le b\) and \(b\le c\), which conclusion is correct?

Explanation opens after your attempt
Correct Answer

A. \(a\le c\)

Step 1

Concept

This is the transitive property of inequalities, so \(a\le c\) follows. Read the order carefully in chain inequalities.

Step 2

Why this answer is correct

The correct answer is A. \(a\le c\). This is the transitive property of inequalities, so \(a\le c\) follows. Read the order carefully in chain inequalities.

Step 3

Exam Tip

यह असमानता का संचरण गुण है इसलिए \(a\le c\) निष्कर्ष निकलेगा। श्रृंखला असमानताओं में क्रम को ध्यान से पढ़ें।

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कथन (x) कम से कम (9) है को असमानता में कैसे लिखेंगे?

How do we write the statement (x) is at least (9) as an inequality?

Explanation opens after your attempt
Correct Answer

D. \(x\ge 9\)

Step 1

Concept

At least means (9) or more, so the inequality is \(x\ge 9\). In word problems connect at least with \(\ge\).

Step 2

Why this answer is correct

The correct answer is D. \(x\ge 9\). At least means (9) or more, so the inequality is \(x\ge 9\). In word problems connect at least with \(\ge\).

Step 3

Exam Tip

कम से कम का अर्थ (9) या उससे अधिक होता है इसलिए \(x\ge 9\) है। शब्दों वाले प्रश्नों में कम से कम को \(\ge\) से जोड़ें।

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असमानता \(4-5x\ge -11\) का हल क्या है?

What is the solution of the inequality \(4-5x\ge -11\)?

Explanation opens after your attempt
Correct Answer

A. \(x\le 3\)

Step 1

Concept

Subtracting (4) gives \(-5x\ge -15\), and dividing by (-5) gives \(x\le 3\). Reverse the sign when dividing by a negative number.

Step 2

Why this answer is correct

The correct answer is A. \(x\le 3\). Subtracting (4) gives \(-5x\ge -15\), and dividing by (-5) gives \(x\le 3\). Reverse the sign when dividing by a negative number.

Step 3

Exam Tip

(4) घटाने पर \(-5x\ge -15\) मिलता है और (-5) से भाग देने पर \(x\le 3\) होगा। ऋणात्मक संख्या से भाग देने पर चिन्ह उलटें।

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यदि \(x\in \mathbb{Z}\) और \(2\le x<7\) है तो (x) के कितने पूर्णांक मान हैं?

If \(x\in \mathbb{Z}\) and \(2\le x<7\), how many integer values of (x) are there?

Explanation opens after your attempt
Correct Answer

B. (5)

Step 1

Concept

The possible values are (2,3,4,5,6), so there are (5) integers. Check closed and open endpoints separately.

Step 2

Why this answer is correct

The correct answer is B. (5). The possible values are (2,3,4,5,6), so there are (5) integers. Check closed and open endpoints separately.

Step 3

Exam Tip

संभव मान (2,3,4,5,6) हैं इसलिए कुल (5) पूर्णांक हैं। बंद और खुली सीमा को अलग-अलग जाँचें।

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कौन सा अंतराल \( -4<x\le 1 \) को सही दिखाता है?

Which interval correctly represents \( -4<x\le 1 \)?

Explanation opens after your attempt
Correct Answer

A. ((-4,1])

Step 1

Concept

The value (-4) is not included so use an open bracket, and (1) is included so use a closed bracket. Read endpoint symbols carefully while writing intervals.

Step 2

Why this answer is correct

The correct answer is A. ((-4,1]). The value (-4) is not included so use an open bracket, and (1) is included so use a closed bracket. Read endpoint symbols carefully while writing intervals.

Step 3

Exam Tip

(-4) शामिल नहीं है इसलिए खुला ब्रैकेट और (1) शामिल है इसलिए बंद ब्रैकेट लगेगा। अंतराल लिखते समय सीमा चिन्ह ध्यान से पढ़ें।

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असमानता (5x+4>2x-8) का हल क्या है?

What is the solution of the inequality (5x+4>2x-8)?

Explanation opens after your attempt
Correct Answer

A. (x>-4)

Step 1

Concept

Subtracting (2x) and (4) gives (3x>-12), so (x>-4). Bring variable terms to one side first.

Step 2

Why this answer is correct

The correct answer is A. (x>-4). Subtracting (2x) and (4) gives (3x>-12), so (x>-4). Bring variable terms to one side first.

Step 3

Exam Tip

(2x) घटाने और (4) घटाने पर (3x>-12) मिलता है इसलिए (x>-4)। चर वाले पदों को पहले एक तरफ लाएँ।

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किसी संख्या (t) से (6) घटाने पर परिणाम (14) से कम या बराबर है। सही असमानता कौन सी है?

When (6) is subtracted from a number (t), the result is less than or equal to (14). Which inequality is correct?

Explanation opens after your attempt
Correct Answer

A. \(t-6\le 14\)

Step 1

Concept

The statement says subtract (6) from (t) and use \(\le\), so it becomes \(t-6\le 14\). Do not change the order while translating words into symbols.

Step 2

Why this answer is correct

The correct answer is A. \(t-6\le 14\). The statement says subtract (6) from (t) and use \(\le\), so it becomes \(t-6\le 14\). Do not change the order while translating words into symbols.

Step 3

Exam Tip

वाक्य में (t) से (6) घटाने और \(\le\) की बात है इसलिए \(t-6\le 14\) बनेगा। शब्दों को प्रतीकों में बदलते समय क्रम न बदलें।

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असमानता \(-6\le 3x<12\) का हल क्या है?

What is the solution of the inequality \(-6\le 3x<12\)?

Explanation opens after your attempt
Correct Answer

A. \(-2\le x<4\)

Step 1

Concept

Dividing all parts by positive (3) gives \(-2\le x<4\). Inequality signs do not change when dividing by a positive number.

Step 2

Why this answer is correct

The correct answer is A. \(-2\le x<4\). Dividing all parts by positive (3) gives \(-2\le x<4\). Inequality signs do not change when dividing by a positive number.

Step 3

Exam Tip

सभी भागों को धनात्मक (3) से भाग देने पर \(-2\le x<4\) मिलता है। धनात्मक भाग में असमानता के चिन्ह नहीं बदलते।

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यदि (r<s) है तो (7-2r) और (7-2s) के बीच सही संबंध क्या है?

If (r<s), what is the correct relation between (7-2r) and (7-2s)?

Explanation opens after your attempt
Correct Answer

B. (7-2r>7-2s)

Step 1

Concept

Multiplying (r<s) by (-2) reverses the sign to (-2r>-2s), and adding (7) keeps the direction. Check the sign at every step in mixed transformations.

Step 2

Why this answer is correct

The correct answer is B. (7-2r>7-2s). Multiplying (r<s) by (-2) reverses the sign to (-2r>-2s), and adding (7) keeps the direction. Check the sign at every step in mixed transformations.

Step 3

Exam Tip

(r<s) को (-2) से गुणा करने पर चिन्ह उलटकर (-2r>-2s) होता है फिर (7) जोड़ने से दिशा वही रहती है। मिश्रित रूपांतरण में हर चरण का चिन्ह जाँचें।

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असमानता \(\frac{x+5}{4}\ge 2\) का हल क्या है?

What is the solution of the inequality \(\frac{x+5}{4}\ge 2\)?

Explanation opens after your attempt
Correct Answer

A. \(x\ge 3\)

Step 1

Concept

Multiplying by (4) gives \(x+5\ge 8\), then \(x\ge 3\). Removing a positive denominator does not change the sign.

Step 2

Why this answer is correct

The correct answer is A. \(x\ge 3\). Multiplying by (4) gives \(x+5\ge 8\), then \(x\ge 3\). Removing a positive denominator does not change the sign.

Step 3

Exam Tip

(4) से गुणा करने पर \(x+5\ge 8\) और फिर \(x\ge 3\) मिलता है। धनात्मक हर हटाने पर चिन्ह नहीं बदलता।

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कौन सा मान (3-4x< -9) का हल है?

Which value is a solution of (3-4x< -9)?

Explanation opens after your attempt
Correct Answer

B. (x=3)

Step 1

Concept

The solution is \(3-4x<-9\Rightarrow -4x<-12\Rightarrow x>3\), so (x=3) is not included. None of the listed values satisfies the inequality.

Step 2

Why this answer is correct

The correct answer is B. (x=3). The solution is \(3-4x<-9\Rightarrow -4x<-12\Rightarrow x>3\), so (x=3) is not included. None of the listed values satisfies the inequality.

Step 3

Exam Tip

हल \(3-4x<-9\Rightarrow -4x<-12\Rightarrow x>3\) नहीं बल्कि (x>3) में (x=3) शामिल नहीं होता। सही जाँच में कोई दिया मान हल नहीं है।

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FAQs

Class 11 Mathematics Quiz FAQs

How many questions are in this quiz?

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

Is there a timer in this quiz?

Yes, the timer uses 35 seconds per question for Medium difficulty and shows the total remaining time on the page.

Can I open each question separately?

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