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 211-220 of 700 questions.
Which expression is not a polynomial because the variable is inside a root?
B. \(\sqrt{x}+3\)
\(\sqrt{x}=x^{1/2}\) होता है और \(\frac{1}{2}\) पूर्णांक घात नहीं है। इसलिए यह बहुपद नहीं है। / \(\sqrt{x}=x^{1/2}\), and \(\frac{1}{2}\) is not an integer power. Hence it is not a polynomial.
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How many terms are there in the polynomial \(7x^5-2x^3+x-4\)?
C. (4)
इसमें \(7x^5\), \(-2x^3\), (x) और (-4) चार पद हैं। पदों को चिन्ह सहित गिनें। / It has four terms: \(7x^5\), \(-2x^3\), (x), and (-4). Count terms with their signs.
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Which polynomial is a monomial?
A. \(6x^4\)
एकपदी में केवल एक पद होता है। \(6x^4\) एक ही पद वाला बहुपद है। / A monomial has only one term. \(6x^4\) is a polynomial with a single term.
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Which polynomial is a binomial?
B. \(4x^3-9\)
द्विपदी में दो पद होते हैं। \(4x^3-9\) में \(4x^3\) और (-9) दो पद हैं। / A binomial has two terms. \(4x^3-9\) has the two terms \(4x^3\) and (-9).
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Which polynomial is a trinomial?
A. \(2x^2-5x+6\)
त्रिपदी में तीन पद होते हैं। \(2x^2-5x+6\) में तीन पद हैं। / A trinomial has three terms. \(2x^2-5x+6\) has three terms.
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Which statement is correct about \(3x^2+\frac{2}{5}x-1\)?
B. यह बहुपद है क्योंकि घातें शून्य या धनात्मक पूर्णांक हैंIt is a polynomial because powers are non-negative integers
गुणांक भिन्न हो सकते हैं। यहाँ (x) की घातें (2), (1) और (0) हैं इसलिए यह बहुपद है। / Coefficients can be fractions. Here the powers of (x) are (2), (1), and (0), so it is a polynomial.
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Which of the following is a polynomial in (x) but not a linear polynomial in (x)?
B. \(x^2+4\)
\(x^2+4\) बहुपद है लेकिन इसकी घात (2) है। रैखिक बहुपद की घात (1) होती है। / \(x^2+4\) is a polynomial but its degree is (2). A linear polynomial has degree (1).
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Which option gives the correct general condition for a polynomial?
C. चर की घातें शून्य या धनात्मक पूर्णांक होंPowers of the variable are zero or positive integers
बहुपद में चर की घातें शून्य या धनात्मक पूर्णांक होती हैं। यही परिभाषा का मुख्य बिंदु है। / In a polynomial, powers of the variable are zero or positive integers. This is the key point of the definition.
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Why is \(x^2+\frac{1}{x^2}\) not a polynomial?
C. क्योंकि \(\frac{1}{x^2}=x^{-2}\) हैBecause \(\frac{1}{x^2}=x^{-2}\)
\(\frac{1}{x^2}\) में (x) की घात (-2) है। ऋणात्मक घात के कारण यह बहुपद नहीं है। / In \(\frac{1}{x^2}\), the power of (x) is (-2). Due to the negative power, it is not a polynomial.
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Which expression is a polynomial in (y)?
A. \(y^3-2y+6\)
\(y^3-2y+6\) में (y) की घातें (3), (1) और (0) हैं। ये सभी शून्य या धनात्मक पूर्णांक हैं। / In \(y^3-2y+6\), the powers of (y) are (3), (1), and (0). All are non-negative integers.
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