Compound को physical method से आसानी से अलग क्यों नहीं किया जा सकता?
Why can a compound not be easily separated by physical methods?
#compound
#chemical bonds
#separation
A क्योंकि उसमें कोई atoms नहीं / Because it has no atoms
B क्योंकि वह हमेशा gas है / Because it is always gas
C क्योंकि वह mixture है / Because it is mixture
D क्योंकि elements chemical bonds से जुड़े हैं / Because elements are joined by chemical bonds
Explanation opens after your attempt
Correct Answer
D. क्योंकि elements chemical bonds से जुड़े हैं / Because elements are joined by chemical bonds
Step 1
Concept
In a compound components are chemically bonded. Therefore physical separation generally does not work.
Step 2
Why this answer is correct
The correct answer is D. क्योंकि elements chemical bonds से जुड़े हैं / Because elements are joined by chemical bonds. In a compound components are chemically bonded. Therefore physical separation generally does not work.
Step 3
Exam Tip
Compound में components chemically bonded होते हैं। इसलिए physical separation generally काम नहीं करती।
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Hydrogen और oxygen gases से water बनने पर क्या बनता है?
When hydrogen and oxygen gases form water what is formed?
#water
#compound
#hydrogen oxygen
A मिश्रण only / Only mixture
B कोलाइड / Colloid
C निलंबन / Suspension
D यौगिक / Compound
Explanation opens after your attempt
Correct Answer
D. यौगिक / Compound
Step 1
Concept
Water is a chemical compound of hydrogen and oxygen. Its properties differ from the gases.
Step 2
Why this answer is correct
The correct answer is D. यौगिक / Compound. Water is a chemical compound of hydrogen and oxygen. Its properties differ from the gases.
Step 3
Exam Tip
Water hydrogen और oxygen का chemical compound है। इसकी properties gases से अलग होती हैं।
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Compound की properties उसके elements से कैसी हो सकती हैं?
How can properties of a compound be compared with its elements?
#compound
#properties
#elements
A हमेशा identical / Always identical
B कोई properties नहीं / No properties
C अलग हो सकती हैं / Can be different
D हमेशा mixture जैसी / Always like mixture
Explanation opens after your attempt
Correct Answer
C. अलग हो सकती हैं / Can be different
Step 1
Concept
When a compound forms a new substance forms. Therefore its properties can differ from constituent elements.
Step 2
Why this answer is correct
The correct answer is C. अलग हो सकती हैं / Can be different. When a compound forms a new substance forms. Therefore its properties can differ from constituent elements.
Step 3
Exam Tip
Compound बनने पर new substance बनता है। इसलिए इसकी properties constituent elements से अलग हो सकती हैं।
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Element और compound दोनों किस category में आते हैं?
Element and compound both come under which category?
#element
#compound
#pure substance
A शुद्ध पदार्थ / Pure substances
B मिश्रण / Mixtures
C निलंबन / Suspensions
D कोलाइड / Colloids
Explanation opens after your attempt
Correct Answer
A. शुद्ध पदार्थ / Pure substances
Step 1
Concept
Elements and compounds are pure substances. Both have definite composition.
Step 2
Why this answer is correct
The correct answer is A. शुद्ध पदार्थ / Pure substances. Elements and compounds are pure substances. Both have definite composition.
Step 3
Exam Tip
Elements और compounds pure substances हैं। दोनों की composition definite होती है।
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सोडियम क्लोराइड किस प्रकार का पदार्थ है?
Sodium chloride is what type of matter?
#sodium chloride
#compound
#fixed ratio
A तत्व / Element
B मिश्रण / Mixture
C कोलाइड / Colloid
D यौगिक / Compound
Explanation opens after your attempt
Correct Answer
D. यौगिक / Compound
Step 1
Concept
Sodium chloride is a compound of sodium and chlorine. Elements are present in fixed ratio.
Step 2
Why this answer is correct
The correct answer is D. यौगिक / Compound. Sodium chloride is a compound of sodium and chlorine. Elements are present in fixed ratio.
Step 3
Exam Tip
Sodium chloride sodium और chlorine का compound है। इसमें elements fixed ratio में होते हैं।
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कार्बन डाइऑक्साइड किस प्रकार का पदार्थ है?
Carbon dioxide is what type of matter?
#carbon dioxide
#compound
#fixed composition
A तत्व / Element
B यौगिक / Compound
C विषमांगी मिश्रण / Heterogeneous mixture
D धातु / Metal
Explanation opens after your attempt
Correct Answer
B. यौगिक / Compound
Step 1
Concept
Carbon dioxide is a compound of carbon and oxygen. Its composition is fixed.
Step 2
Why this answer is correct
The correct answer is B. यौगिक / Compound. Carbon dioxide is a compound of carbon and oxygen. Its composition is fixed.
Step 3
Exam Tip
Carbon dioxide carbon और oxygen का compound है। इसका composition fixed होता है।
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किसमें दो या अधिक elements रासायनिक रूप से जुड़े होते हैं?
In which are two or more elements chemically combined?
#compound
#elements
#chemical combination
A तत्व / Element
B मिश्रण / Mixture
C यौगिक / Compound
D विलायक / Solvent
Explanation opens after your attempt
Correct Answer
C. यौगिक / Compound
Step 1
Concept
In a compound elements chemically combine in a fixed ratio. Therefore properties can differ from elements.
Step 2
Why this answer is correct
The correct answer is C. यौगिक / Compound. In a compound elements chemically combine in a fixed ratio. Therefore properties can differ from elements.
Step 3
Exam Tip
Compound में elements fixed ratio में chemically combine होते हैं। इसलिए properties elements से अलग हो सकती हैं।
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शुद्ध पानी की composition कैसी होती है?
What is the composition of pure water like?
#pure water
#compound
#fixed composition
A निश्चित / Fixed
B हर बार अलग / Different every time
C बिना oxygen / Without oxygen
D केवल hydrogen / Only hydrogen
Explanation opens after your attempt
Correct Answer
A. निश्चित / Fixed
Step 1
Concept
Pure water has fixed composition. Therefore it is considered a compound.
Step 2
Why this answer is correct
The correct answer is A. निश्चित / Fixed. Pure water has fixed composition. Therefore it is considered a compound.
Step 3
Exam Tip
Pure water की composition fixed होती है। इसी कारण यह compound माना जाता है।
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यौगिक के components को अलग करने के लिए सामान्यतः क्या चाहिए?
What is generally needed to separate components of a compound?
#compound
#separation
#chemical method
A साधारण छानना / Simple filtration
B हाथ से चुनना / Handpicking
C केवल झुकाना / Only tilting
D रासायनिक विधि / Chemical method
Explanation opens after your attempt
Correct Answer
D. रासायनिक विधि / Chemical method
Step 1
Concept
In a compound elements are joined by chemical bonds. Therefore chemical method is needed for separation.
Step 2
Why this answer is correct
The correct answer is D. रासायनिक विधि / Chemical method. In a compound elements are joined by chemical bonds. Therefore chemical method is needed for separation.
Step 3
Exam Tip
यौगिक में elements chemical bonds से जुड़े होते हैं। इसलिए separation के लिए chemical method चाहिए।
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चीनी किस प्रकार का पदार्थ है?
Sugar is what type of matter?
#sugar
#compound
#pure substance
A मिश्रण / Mixture
B तत्व / Element
C यौगिक / Compound
D ऊर्जा / Energy
Explanation opens after your attempt
Correct Answer
C. यौगिक / Compound
Step 1
Concept
Sugar is a compound because it has definite composition. It is not just a physical mixture.
Step 2
Why this answer is correct
The correct answer is C. यौगिक / Compound. Sugar is a compound because it has definite composition. It is not just a physical mixture.
Step 3
Exam Tip
चीनी एक compound है क्योंकि इसकी composition definite होती है। यह केवल physical mixture नहीं है।
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मिश्रण और यौगिक में मुख्य अंतर क्या है?
What is the main difference between a mixture and a compound?
#mixture
#compound
#difference
A मिश्रण भौतिक संयोजन है और यौगिक रासायनिक संयोजन है / Mixture is physical combination and compound is chemical combination
B दोनों हमेशा समान हैं / Both are always same
C मिश्रण हमेशा तत्व है / Mixture is always element
D यौगिक में द्रव्यमान नहीं होता / Compound has no mass
Explanation opens after your attempt
Correct Answer
A. मिश्रण भौतिक संयोजन है और यौगिक रासायनिक संयोजन है / Mixture is physical combination and compound is chemical combination
Step 1
Concept
In a mixture substances are physically mixed. In a compound elements are chemically combined in fixed ratio.
Step 2
Why this answer is correct
The correct answer is A. मिश्रण भौतिक संयोजन है और यौगिक रासायनिक संयोजन है / Mixture is physical combination and compound is chemical combination. In a mixture substances are physically mixed. In a compound elements are chemically combined in fixed ratio.
Step 3
Exam Tip
मिश्रण में substances physically mixed होते हैं। यौगिक में elements chemically fixed ratio में जुड़े होते हैं।
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निम्न में से कौन सा यौगिक है?
Which of the following is a compound?
#water
#compound
#composition
A लोहा / Iron
B ऑक्सीजन / Oxygen
C वायु / Air
D पानी / Water
Explanation opens after your attempt
Correct Answer
D. पानी / Water
Step 1
Concept
Water is a compound of hydrogen and oxygen. Its composition remains fixed.
Step 2
Why this answer is correct
The correct answer is D. पानी / Water. Water is a compound of hydrogen and oxygen. Its composition remains fixed.
Step 3
Exam Tip
पानी hydrogen और oxygen का compound है। इसका composition fixed रहता है।
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यौगिक किसे कहते हैं?
What is a compound?
#compound
#fixed ratio
#chemical combination
A एक ही तत्व का टुकड़ा / A piece of one element
B केवल गैस का समूह / Group of only gases
C दो या अधिक तत्वों का निश्चित अनुपात में रासायनिक संयोजन / Chemical combination of two or more elements in fixed ratio
D बिना द्रव्यमान की वस्तु / An object without mass
Explanation opens after your attempt
Correct Answer
C. दो या अधिक तत्वों का निश्चित अनुपात में रासायनिक संयोजन / Chemical combination of two or more elements in fixed ratio
Step 1
Concept
In a compound elements are chemically combined in fixed ratio. Its composition is fixed.
Step 2
Why this answer is correct
The correct answer is C. दो या अधिक तत्वों का निश्चित अनुपात में रासायनिक संयोजन / Chemical combination of two or more elements in fixed ratio. In a compound elements are chemically combined in fixed ratio. Its composition is fixed.
Step 3
Exam Tip
यौगिक में elements निश्चित अनुपात में chemically combined होते हैं। इसका composition fixed होता है।
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\( -3\le 2x-1<9 \) को संख्या रेखा पर किस अंतराल से दिखाया जाएगा?
By which interval will \( -3\le 2x-1<9 \) be shown on the number line?
#linear-inequalities
#compound
#interval
A ( [-1,5) )
B ( (-1,5] )
C ( [-2,4) )
D ( (-2,4] )
Explanation opens after your attempt
Correct Answer
A. ( [-1,5) )
Step 1
Concept
Solving gives \( -2\le 2x<10 \), so \( -1\le x<5 \). Preserve endpoint signs throughout the solution.
Step 2
Why this answer is correct
The correct answer is A. ( [-1,5) ). Solving gives \( -2\le 2x<10 \), so \( -1\le x<5 \). Preserve endpoint signs throughout the solution.
Step 3
Exam Tip
हल करने पर \( -2\le 2x<10 \), इसलिए \( -1\le x<5 \)। सीमा चिह्नों को अंत तक सुरक्षित रखें।
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असमानता \(x\le -2\) या (x>3) का संख्या रेखा रूप कौन-सा है?
Which number line form represents \(x\le -2\) or (x>3)?
#linear inequalities
#union
#number line
#compound
A ([-2,3))
B ((-\infty,-2]\cup\(3,\infty\))
C ((-2,3])
D (\(-\infty,-2\)\cup[3,\infty))
Explanation opens after your attempt
Correct Answer
B. ((-\infty,-2]\cup\(3,\infty\))
Step 1
Concept
For or take the union of both separate regions. In exams keep a closed endpoint for \(\le -2\) and an open endpoint for (>3).
Step 2
Why this answer is correct
The correct answer is B. ((-\infty,-2]\cup\(3,\infty\)). For or take the union of both separate regions. In exams keep a closed endpoint for \(\le -2\) and an open endpoint for (>3).
Step 3
Exam Tip
or में दोनों अलग-अलग भागों का union लिया जाता है। परीक्षा में \(\le -2\) पर बंद और (>3) पर खुला endpoint रखें।
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असमानता \(1\le \frac{x}{2}<4\) का संख्या रेखा पर हल कौन-सा है?
Which is the number line solution of \(1\le \frac{x}{2}<4\)?
#linear inequalities
#fraction inequality
#compound
#number line
A \(1\le x<4\)
B \(2\le x<8\)
C \(2<x\le 8\)
D \(\frac{1}{2}\le x<2\)
Explanation opens after your attempt
Correct Answer
B. \(2\le x<8\)
Step 1
Concept
Multiplying the whole inequality by (2) gives \(2\le x<8\). In exams the sign does not change when multiplying by a positive number.
Step 2
Why this answer is correct
The correct answer is B. \(2\le x<8\). Multiplying the whole inequality by (2) gives \(2\le x<8\). In exams the sign does not change when multiplying by a positive number.
Step 3
Exam Tip
पूरी असमानता को (2) से गुणा करने पर \(2\le x<8\) मिलता है। परीक्षा में धनात्मक से गुणा करने पर चिन्ह नहीं बदलता।
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संयुक्त असमानता \(1\le \frac{2x-3}{5}<3\) का संख्या रेखा अंतराल क्या है?
What is the number line interval for the compound inequality \(1\le \frac{2x-3}{5}<3\)?
#linear-inequalities
#compound
#fraction
A ((4,9])
B ([4,9))
C ((4,9))
D ([4,9])
Explanation opens after your attempt
Correct Answer
B. ([4,9))
Step 1
Concept
Solving gives \(5\le 2x-3<15\) and then \(4\le x<9\). Therefore (4) is included but (9) is excluded.
Step 2
Why this answer is correct
The correct answer is B. ([4,9)). Solving gives \(5\le 2x-3<15\) and then \(4\le x<9\). Therefore (4) is included but (9) is excluded.
Step 3
Exam Tip
हल करने पर \(5\le 2x-3<15\) और फिर \(4\le x<9\) मिलता है। इसलिए (4) शामिल है लेकिन (9) शामिल नहीं है।
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असमानता \(-1\le \frac{x+2}{4}\le 3\) का सही संख्या रेखा अंतराल क्या है?
What is the correct number line interval for \(-1\le \frac{x+2}{4}\le 3\)?
#linear-inequalities
#compound
#fraction
A ([-6,10])
B ((-6,10))
C ([-2,12])
D ((-2,12))
Explanation opens after your attempt
Correct Answer
A. ([-6,10])
Step 1
Concept
Multiplying by (4) gives \(-4\le x+2\le 12\), then \(-6\le x\le 10\). Both endpoints are included.
Step 2
Why this answer is correct
The correct answer is A. ([-6,10]). Multiplying by (4) gives \(-4\le x+2\le 12\), then \(-6\le x\le 10\). Both endpoints are included.
Step 3
Exam Tip
(4) से गुणा करने पर \(-4\le x+2\le 12\) और फिर \(-6\le x\le 10\) मिलता है। दोनों सीमाएँ शामिल हैं।
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\(2<3x-1\le 11\) के संख्या रेखा निरूपण का सही अंतराल कौन सा है?
Which interval is correct for the number line representation of \(2<3x-1\le 11\)?
#linear-inequalities
#compound
#interval
A ((1,4])
B ([1,4))
C ((2,11])
D ([2,11))
Explanation opens after your attempt
Correct Answer
A. ((1,4])
Step 1
Concept
Adding (1) gives \(3<3x\le 12\), then \(1<x\le 4\). Hence ((1,4]) is correct.
Step 2
Why this answer is correct
The correct answer is A. ((1,4]). Adding (1) gives \(3<3x\le 12\), then \(1<x\le 4\). Hence ((1,4]) is correct.
Step 3
Exam Tip
(1) जोड़कर \(3<3x\le 12\) और फिर \(1<x\le 4\) मिलता है। इसलिए ((1,4]) सही है।
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\(-2\le \frac{x-1}{3}<4\) का संख्या रेखा अंतराल क्या है?
What is the number line interval for \(-2\le \frac{x-1}{3}<4\)?
#linear-inequalities
#compound
#fraction
A ([-5,13))
B ((-5,13])
C ([-7,11))
D ((-7,11])
Explanation opens after your attempt
Correct Answer
A. ([-5,13))
Step 1
Concept
First multiply by (3) and then add (1) to get \(-5\le x<13\). Therefore the interval is ([-5,13)).
Step 2
Why this answer is correct
The correct answer is A. ([-5,13)). First multiply by (3) and then add (1) to get \(-5\le x<13\). Therefore the interval is ([-5,13)).
Step 3
Exam Tip
पहले (3) से गुणा करें और फिर (1) जोड़ें तो \(-5\le x<13\) मिलता है। इसलिए अंतराल ([-5,13)) है।
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संख्या रेखा पर \(3\le x\le 11\) के लिए सही अंतराल कौन सा है?
Which interval is correct for \(3\le x\le 11\) on the number line?
#linear-inequalities
#closed-interval
#compound
A ((3,11))
B ((3,11])
C ([3,11])
D ([3,11))
Explanation opens after your attempt
Correct Answer
C. ([3,11])
Step 1
Concept
Both endpoints are included because equality appears on both sides. Therefore the interval is ([3,11]).
Step 2
Why this answer is correct
The correct answer is C. ([3,11]). Both endpoints are included because equality appears on both sides. Therefore the interval is ([3,11]).
Step 3
Exam Tip
दोनों सीमाएँ बराबरी सहित हैं इसलिए दोनों शामिल होंगी। इसलिए अंतराल ([3,11]) होगा।
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यदि \(x\in [2,9]\) है तो असमता रूप कौन सा है?
If \(x\in [2,9]\), what is the inequality form?
#linear-inequalities
#interval-to-inequality
#compound
A (2<x<9)
B \(2\le x<9\)
C \(2<x\le 9\)
D \(2\le x\le 9\)
Explanation opens after your attempt
Correct Answer
B. \(2\le x<9\)
Step 1
Concept
The bracket ([2) shows (2) is included and (9)) shows (9) is not included. Hence \(2\le x<9\) is correct.
Step 2
Why this answer is correct
The correct answer is B. \(2\le x<9\). The bracket ([2) shows (2) is included and (9)) shows (9) is not included. Hence \(2\le x<9\) is correct.
Step 3
Exam Tip
([2) बताता है कि (2) शामिल है और (9)) बताता है कि (9) शामिल नहीं है। इसलिए \(2\le x<9\) सही है।
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(x\in (-2,4]) का असमता रूप कौन सा है?
What is the inequality form of (x\in (-2,4])?
#linear-inequalities
#interval-to-inequality
#compound
A \(-2<x\le 4\)
B \(-2\le x<4\)
C \(-2\le x\le 4\)
D (-2<x<4)
Explanation opens after your attempt
Correct Answer
A. \(-2<x\le 4\)
Step 1
Concept
A parenthesis gives a strict inequality and a square bracket gives an inclusive inequality. Therefore \(-2<x\le 4\) is correct.
Step 2
Why this answer is correct
The correct answer is A. \(-2<x\le 4\). A parenthesis gives a strict inequality and a square bracket gives an inclusive inequality. Therefore \(-2<x\le 4\) is correct.
Step 3
Exam Tip
गोल कोष्ठक पर कठोर असमता और वर्ग कोष्ठक पर बराबरी सहित असमता लगती है। इसलिए \(-2<x\le 4\) सही है।
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यदि \(x\in\mathbb{Z}\) और \(-2\le\frac{3x-1}{2}<5\), तो हल समुच्चय कौन सा है?
If \(x\in\mathbb{Z}\) and \(-2\le\frac{3x-1}{2}<5\), what is the solution set?
#linear-inequalities
#integer-solutions
#compound
A ({-1,0,1,2,3})
B ({0,1,2,3})
C ({-1,0,1,2,3,4})
D ({-2,-1,0,1,2,3})
Explanation opens after your attempt
Correct Answer
A. ({-1,0,1,2,3})
Step 1
Concept
The solution is \(-1\le x<\frac{11}{3}\), so the integers are ({-1,0,1,2,3}). In exams write the final answer according to the domain.
Step 2
Why this answer is correct
The correct answer is A. ({-1,0,1,2,3}). The solution is \(-1\le x<\frac{11}{3}\), so the integers are ({-1,0,1,2,3}). In exams write the final answer according to the domain.
Step 3
Exam Tip
हल \(-1\le x<\frac{11}{3}\) है, इसलिए पूर्णांक ({-1,0,1,2,3}) मिलते हैं। परीक्षा में अंतिम उत्तर डोमेन के अनुसार लिखें।
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किस विकल्प में \(x\in\mathbb{Z}\) के लिए \(-3<x\le2\) का सही हल समुच्चय है?
Which option gives the correct solution set of \(-3<x\le2\) for \(x\in\mathbb{Z}\)?
#linear-inequalities
#integer-solutions
#compound
A ({-2,-1,0,1,2})
B ({-3,-2,-1,0,1,2})
C ({-2,-1,0,1})
D ({-3,-2,-1,0,1})
Explanation opens after your attempt
Correct Answer
A. ({-2,-1,0,1,2})
Step 1
Concept
The value (-3) is not included and (2) is included. In exams check open and closed endpoints separately.
Step 2
Why this answer is correct
The correct answer is A. ({-2,-1,0,1,2}). The value (-3) is not included and (2) is included. In exams check open and closed endpoints separately.
Step 3
Exam Tip
(-3) शामिल नहीं है और (2) शामिल है। परीक्षा में खुले और बंद छोर अलग-अलग जांचें।
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कौन सा अंतराल \( -4<x\le 1 \) को सही दिखाता है?
Which interval correctly represents \( -4<x\le 1 \)?
#linear-inequalities
#interval-notation
#compound
A ((-4,1])
B ([-4,1])
C ((-4,1))
D ([-4,1))
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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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?
#linear-inequalities
#integer-values
#compound
A (4)
B (5)
C (6)
D (7)
Explanation opens after your attempt
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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यदि \(1<x\le 6\) है तो कौन सा मान संभव नहीं है?
If \(1<x\le 6\), which value is not possible?
#linear-inequalities
#compound
#boundary-check
A (x=2)
B (x=6)
C (x=1)
D (x=5)
Explanation opens after your attempt
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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कौन सा मान (x>-2) और \(x\le 4\) दोनों को संतुष्ट करता है?
Which value satisfies both (x>-2) and \(x\le 4\)?
#linear-inequalities
#compound
#checking
A (x=-3)
B (x=-2)
C (x=4)
D (x=5)
Explanation opens after your attempt
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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असमानता \(3\le x<8\) का अंतराल रूप क्या है?
What is the interval form of the inequality \(3\le x<8\)?
#linear-inequalities
#interval-notation
#compound
A ((3,8))
B ([3,8))
C ((3,8])
D ([3,8])
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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