Concept-wise Practice

variable_part MCQ Questions for Class 9

variable_part se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.

Practice Questions

6 questions tagged with variable_part.

किस व्यंजक में (u) की घात (3) और (v) की घात (2) है?

In which expression is the power of (u) equal to (3) and the power of (v) equal to (2)?

Explanation opens after your attempt
Correct Answer

B. \(u^3v^2\)

Step 1

Concept

In \(u^3v^2\), the power of (u) is (3) and the power of (v) is (2). Check each variable's power separately.

Step 2

Why this answer is correct

The correct answer is B. \(u^3v^2\). In \(u^3v^2\), the power of (u) is (3) and the power of (v) is (2). Check each variable's power separately.

Step 3

Exam Tip

\(u^3v^2\) में (u) की घात (3) और (v) की घात (2) है। हर चर की घात अलग देखें।

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किस व्यंजक में (m) की घात (2) और (n) की घात (3) है?

In which expression is the power of (m) equal to (2) and the power of (n) equal to (3)?

Explanation opens after your attempt
Correct Answer

B. \(m^2n^3\)

Step 1

Concept

In \(m^2n^3\), the power of (m) is (2) and the power of (n) is (3). Check each variable's power separately.

Step 2

Why this answer is correct

The correct answer is B. \(m^2n^3\). In \(m^2n^3\), the power of (m) is (2) and the power of (n) is (3). Check each variable's power separately.

Step 3

Exam Tip

\(m^2n^3\) में (m) की घात (2) और (n) की घात (3) है। हर चर की घात अलग देखें।

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किस व्यंजक में (x) की घात (1) और (y) की घात (2) है?

In which expression is the power of (x) equal to (1) and the power of (y) equal to (2)?

Explanation opens after your attempt
Correct Answer

B. \(xy^2\)

Step 1

Concept

In \(xy^2\), the invisible power of (x) is (1) and the power of (y) is (2). Treat an invisible power as (1).

Step 2

Why this answer is correct

The correct answer is B. \(xy^2\). In \(xy^2\), the invisible power of (x) is (1) and the power of (y) is (2). Treat an invisible power as (1).

Step 3

Exam Tip

\(xy^2\) में (x) की अदृश्य घात (1) और (y) की घात (2) है। अदृश्य घात को (1) मानें।

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व्यंजक \(4x^2y\) में चर वाला भाग कौन सा है?

What is the variable part in \(4x^2y\)?

Explanation opens after your attempt
Correct Answer

B. \(x^2y\)

Step 1

Concept

After removing the numerical coefficient (4), the variable part \(x^2y\) remains. View a term as coefficient and variable part.

Step 2

Why this answer is correct

The correct answer is B. \(x^2y\). After removing the numerical coefficient (4), the variable part \(x^2y\) remains. View a term as coefficient and variable part.

Step 3

Exam Tip

संख्यात्मक गुणांक (4) को हटाने पर चर वाला भाग \(x^2y\) बचता है। पद को गुणांक और चर भाग में बांटकर देखें।

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\(12x^2y\) में चर भाग कौन-सा है?

What is the variable part in \(12x^2y\)?

Explanation opens after your attempt
Correct Answer

B. \(x^2y\)

Step 1

Concept

The number (12) is the coefficient and \(x^2y\) is the variable part. Split the term into number and variable parts.

Step 2

Why this answer is correct

The correct answer is B. \(x^2y\). The number (12) is the coefficient and \(x^2y\) is the variable part. Split the term into number and variable parts.

Step 3

Exam Tip

संख्या (12) गुणांक है और \(x^2y\) चर भाग है। पद को संख्या और चर भाग में बाँटकर देखें।

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पद \(3a^2b\) में चर वाला भाग कौन सा है?

In the term \(3a^2b\), which is the variable part?

Explanation opens after your attempt
Correct Answer

D. \(a^2b\)

Step 1

Concept

The variable part remains after leaving the numerical coefficient. Therefore \(a^2b\) is the variable part.

Step 2

Why this answer is correct

The correct answer is D. \(a^2b\). The variable part remains after leaving the numerical coefficient. Therefore \(a^2b\) is the variable part.

Step 3

Exam Tip

चर वाला भाग संख्यात्मक गुणांक को छोड़कर बचता है। इसलिए \(a^2b\) चर वाला भाग है।

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