Class 9 Mathematics - MIX - Coefficients Easy Quiz

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एकपद \(10z\) का संख्यात्मक गुणांक क्या है?

What is the numerical coefficient of the monomial \(10z\)?

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Correct Answer

B. \(10\)

Explanation

Simple Explanation

किसी एकपद में चर से गुणा होने वाली संख्या उसका संख्यात्मक गुणांक कहलाती है। \(10z = 10 \times z\) में संख्या \(10\), चर \(z\) का गुणांक है। इसलिए सही उत्तर \(10\) है। \(10z\) पूरा एकपद है, जबकि \(z\) केवल चर है। परीक्षा-युक्ति: चर के साथ लगी संख्यात्मक गुणनात्मक राशि को पहचानें। / The numerical coefficient of a monomial is the number multiplied by its variable. In \(10z = 10 \times z\), the number \(10\) is the coefficient of \(z\). Therefore, the correct answer is \(10\). The expression \(10z\) is the complete monomial, while \(z\) is only the variable. Exam tip: identify the numerical factor multiplying the variable.

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पद 12pq में संख्यात्मक गुणांक कौन-सा है?

What is the numerical coefficient of the term 12pq?

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Correct Answer

C. 12

Explanation

Simple Explanation

किसी बीजीय पद में संख्यात्मक गुणांक वह संख्या होती है जो चर के गुणनफल के साथ गुणा हो रही हो। 12pq में 12 संख्या भाग है, जबकि pq चर भाग है; इसलिए सही उत्तर 12 है। परीक्षा में पहले पद के संख्यात्मक और चर भाग को अलग-अलग पहचानें। / The numerical coefficient of an algebraic term is the number multiplied by the product of its variables. In 12pq, 12 is the numerical part, while pq is the variable part, so the correct answer is 12. In an exam, first separate the numerical part from the variable part.

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\(x^2+3x+2\) में (x) का गुणांक क्या है?

What is the coefficient of (x) in \(x^2+3x+2\)?

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Correct Answer

C. (3)

Explanation

Simple Explanation

(x) वाला पद (3x) है इसलिए गुणांक (3) है। प्रश्न में पूछे गए चर की घात को ध्यान से देखें। / The term containing (x) is (3x), so the coefficient is (3). Notice the power of the variable asked in the question.

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