Practice focused topic-wise MCQs with answers and explanations for quick revision and exam preparation.
Difficulty select karke sirf is topic ke focused MCQs practice karein. Score, timer aur explanations student-friendly flow me milenge.
Showing 361-370 of 850 questions.
If a rectangle with sides (a+2) and (a+9) is divided into four parts, what will be the middle term?
A. ( 11a )
मध्य पद (2a+9a=11a) है। परीक्षा में दोनों रैखिक भाग जोड़ें। / The middle term is (2a+9a=11a). In exams, add both linear parts.
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A visual model of a rectangle (n+4) by (n-4) is made. Which parts cancel?
B. ( 4n ) और (-4n)( 4n ) and (-4n)
एक (4n) धनात्मक और एक (-4n) ऋणात्मक भाग बराबर होकर कटते हैं। परीक्षा में विपरीत चिन्ह वाले समान पद पहचानें। / One (4n) positive part and one (-4n) negative part cancel. In exams, identify equal terms with opposite signs.
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What will be the final area in the rectangle model of (t+5) and (t-5)?
C. \( t^2-25 \)
यह ( (t+5)(t-5)=t-2-25 ) का मॉडल है। परीक्षा में इसे वर्गों के अंतर से जोड़ें। / This is the model of ( (t+5)(t-5)=t-2-25 ). In exams, connect it with difference of squares.
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A. ( (x+3)(x+4) )
भाग \(x^2+3x+4x+12\) से ((x+3)(x+4)) बनता है। परीक्षा में पट्टियों के माप से भुजाएँ पहचानें। / The parts \(x^2+3x+4x+12\) form ((x+3)(x+4)). In exams, identify sides from strip measures.
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Area tiles show \(u^2\), (5u), (2u) and (10). Which product is correct?
A. ( (u+5)(u+2) )
(5u) और (2u) पट्टियाँ भुजाओं (u+5) और (u+2) को दिखाती हैं। परीक्षा में कोने का (10) जाँचें। / The (5u) and (2u) strips show sides (u+5) and (u+2). In exams, verify the corner (10).
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If parts are made in a rectangle model of (q+1) and (q+6), what is the simplified total area?
A. \( q^2+7q+6 \)
भाग \(q^2\), (q), (6q) और (6) मिलते हैं। परीक्षा में समान (q) पद जोड़ें। / The parts \(q^2\), (q), (6q) and (6) combine. In exams, add like (q) terms.
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An area model is made for a square of side (2x+3). Which expansion is correct?
B. \( 4x^2+12x+9 \)
((2x)2=4x-2) और दो पट्टियाँ (6x+6x=12x) देती हैं। परीक्षा में (2x) का वर्ग सही करें। / ((2x)2=4x-2) and two strips give (6x+6x=12x). In exams, square (2x) correctly.
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A square has side (3a+2). In the area model, what will be the total middle strip area?
B. ( 12a )
बीच का भाग \(2\cdot3a\cdot2=12a\) है। परीक्षा में गुणांक सहित दो गुना करें। / The middle part is \(2\cdot3a\cdot2=12a\). In exams, double with coefficients included.
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In a square of side (2p+5), what will be the area of the small constant corner?
C. ( 25 )
स्थिर कोना \(5\times5=25\) है। परीक्षा में स्थिर संख्या का वर्ग लें। / The constant corner is \(5\times5=25\). In exams, square the constant number.
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A model has total area \(4r^2\), (20r) and (25). It can be formed from a square with which side?
A. ( 2r+5 )
(4r-2=(2r)2) और \(25=5^2\), बीच का पद भी (20r) है। परीक्षा में वर्गमूल से भुजा खोजें। / (4r-2=(2r)2) and \(25=5^2\), and the middle term is also (20r). In exams, find the side using square roots.
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