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variable MCQ Questions for Class 10

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5 questions tagged with variable.

Question 1/5 Medium Mathematics Polynomials Polynomials in one variable Class 10 Level 48

बहुपद (p(u)=13u-3-2u+9) में चर कौन सा है?

What is the variable in the polynomial (p(u)=13u-3-2u+9)?

Explanation opens after your attempt
Correct Answer

B. (u)

Step 1

Concept

The letter whose values can change is the variable. Here the variable is (u).

Step 2

Why this answer is correct

The correct answer is B. (u). The letter whose values can change is the variable. Here the variable is (u).

Step 3

Exam Tip

जिस अक्षर के मान बदल सकते हैं वह चर होता है। यहां चर (u) है।

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Question 2/5 Medium Mathematics Polynomials Polynomials in one variable Class 10 Level 46

बहुपद (p(t)=6t-2-7t+3) में चर कौन सा है?

What is the variable in the polynomial (p(t)=6t-2-7t+3)?

Explanation opens after your attempt
Correct Answer

B. (t)

Step 1

Concept

The letter whose value can vary is the variable. Here the variable is (t).

Step 2

Why this answer is correct

The correct answer is B. (t). The letter whose value can vary is the variable. Here the variable is (t).

Step 3

Exam Tip

जिस अक्षर का मान बदल सकता है वह चर है। यहां चर (t) है।

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Question 3/5 Easy Mathematics Polynomials Polynomials in one variable Class 10 Level 46

बहुपद (p(t)=8t-2-3t+4) में चर कौन-सा है?

Which is the variable in the polynomial (p(t)=8t-2-3t+4)?

Explanation opens after your attempt
Correct Answer

B. (t)

Step 1

Concept

In (p(t)), the changing symbol is (t). So the variable is (t).

Step 2

Why this answer is correct

The correct answer is B. (t). In (p(t)), the changing symbol is (t). So the variable is (t).

Step 3

Exam Tip

(p(t)) में बदलने वाला चिन्ह (t) है। इसलिए चर (t) है।

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Question 4/5 Easy Mathematics Quadratic Equations Introduction to Quadratic Equations Class 10 Level 29

कौन सा समीकरण (t) में द्विघात है?

Which equation is quadratic in (t)?

Explanation opens after your attempt
Correct Answer

A. \(t^2+3t+2=0\)

Step 1

Concept

In option (A), the variable (t) has highest power (2). So it is quadratic in (t).

Step 2

Why this answer is correct

The correct answer is A. \(t^2+3t+2=0\). In option (A), the variable (t) has highest power (2). So it is quadratic in (t).

Step 3

Exam Tip

विकल्प (A) में चर (t) की सबसे बड़ी घात (2) है। इसलिए यह (t) में द्विघात है।

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Question 5/5 Easy Mathematics Quadratic Equations Introduction to Quadratic Equations Class 10 Level 28

कौन सा समीकरण (x) में द्विघात है लेकिन (y) में नहीं?

Which equation is quadratic in (x) but not in (y)?

Explanation opens after your attempt
Correct Answer

A. \(x^2+5x+6=0\)

Step 1

Concept

In option (A), the variable (x) has degree (2). So it is quadratic in (x).

Step 2

Why this answer is correct

The correct answer is A. \(x^2+5x+6=0\). In option (A), the variable (x) has degree (2). So it is quadratic in (x).

Step 3

Exam Tip

विकल्प (A) में चर (x) की घात (2) है। इसलिए यह (x) में द्विघात है।

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