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 81-90 of 600 questions.
What is the coefficient of (x) in \(x^3+4x^2-5\)?
C. (0)
इसमें (x) का पद नहीं है इसलिए (x) का गुणांक (0) है। अनुपस्थित पद को तुरंत पहचानना जरूरी है। / It has no (x)-term, so the coefficient of (x) is (0). It is important to identify missing terms quickly.
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If (p(x)=2x+1), what is the value of (p(3)-p(1))?
B. (4)
(p(3)=7) और (p(1)=3), इसलिए अंतर (4) है। पहले दोनों मान अलग-अलग निकालें। / (p(3)=7) and (p(1)=3), so the difference is (4). Find both values separately first.
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What value is obtained by putting (x=1) in \(3x^2+2x+1\)?
D. (6)
(3(1)2+2(1)+1=6) है। प्रतिस्थापन के बाद सरल जोड़ करें। / (3(1)2+2(1)+1=6). After substitution, simplify the sum carefully.
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Which of the following is a polynomial with (2) terms?
B. \(5x^3-4\)
\(5x^3-4\) में (2) पद हैं। दो पदों वाला बहुपद द्विपदी कहलाता है। / \(5x^3-4\) has (2) terms. A polynomial with two terms is called a binomial.
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Which is the correct coefficient of (x) in \(6x^2-x+13\)?
B. (-1)
(-x) का अर्थ (-1x) है इसलिए गुणांक (-1) है। छिपे हुए (1) को चिह्न सहित पहचानें। / (-x) means (-1x), so the coefficient is (-1). Identify the hidden (1) with its sign.
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What is the degree of \(x^5+1\)?
C. (5)
सबसे बड़ी घात (5) है इसलिए बहुपद की घात (5) है। नियत पद घात को नहीं बढ़ाता। / The highest power is (5), so the degree is (5). The constant term does not increase the degree.
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Which of the following is a polynomial in (y)?
A. \(y^2-3y+2\)
\(y^2-3y+2\) में (y) की घातें पूर्ण संख्याएँ हैं। बहुपद किसी एक चर जैसे (y) में भी हो सकता है। / In \(y^2-3y+2\), the powers of (y) are whole numbers. A polynomial can be in one variable such as (y).
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If (r(x)=4x-2), what is (r\left\(\frac{1}{2}\right\))?
A. (1)
(r\left\(\frac{1}{2}\right\)=4\left\(\frac{1}{2}\right\)2=1) है। भिन्न रखते समय कोष्ठक का प्रयोग करें। / (r\left\(\frac{1}{2}\right\)=4\left\(\frac{1}{2}\right\)2=1). Use brackets when substituting fractions.
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How many terms are there in \(7x^2+5\)?
B. (2)
पद \(7x^2\) और (5) हैं। इसलिए इसमें (2) पद हैं। / The terms are \(7x^2\) and (5). Therefore it has (2) terms.
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In \(ax^2+bx+c\), if \(a\neq0\), what type of polynomial is it?
B. द्विघात बहुपदQuadratic polynomial
\(a\neq0\) होने पर \(x^2\) का पद मौजूद रहता है। इसलिए बहुपद की घात (2) होती है। / When \(a\neq0\), the \(x^2\) term is present. So the degree of the polynomial is (2).
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