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Mathematics Variables and Constants MCQ Questions for Class 9

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Variables and Constants Practice Questions

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Question 1/3 Easy Mathematics MIX Variables and Constants Class 9 Level 2

(3x+5) में चर कौन-सा है?

Which is the variable in (3x+5)?

Explanation opens after your attempt
Correct Answer

B. (x)

Step 1

Concept

A variable is a quantity whose value can change. In exams identify the letter part first.

Step 2

Why this answer is correct

The correct answer is B. (x). A variable is a quantity whose value can change. In exams identify the letter part first.

Step 3

Exam Tip

चर वह राशि है जिसका मान बदल सकता है। परीक्षा में अक्षर वाले भाग को पहले पहचानें।

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Question 2/3 Easy Mathematics MIX Variables and Constants Class 9 Level 2

(8) को बीजीय रूप में किस प्रकार माना जाएगा?

How is (8) treated in algebraic form?

Explanation opens after your attempt
Correct Answer

C. स्थिरांकConstant

Step 1

Concept

The value of (8) does not change so it is a constant. A number without a variable is a constant.

Step 2

Why this answer is correct

The correct answer is C. स्थिरांक / Constant. The value of (8) does not change so it is a constant. A number without a variable is a constant.

Step 3

Exam Tip

(8) का मान बदलता नहीं है इसलिए यह स्थिरांक है। बिना चर वाली संख्या को स्थिरांक पहचानें।

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Question 3/3 Easy Mathematics MIX Variables and Constants Class 9 Level 2

(4xy) में चरों की संख्या कितनी है?

How many variables are there in (4xy)?

Explanation opens after your attempt
Correct Answer

B. (2)

Step 1

Concept

In (4xy), the variables are (x) and (y). The number (4) is the coefficient.

Step 2

Why this answer is correct

The correct answer is B. (2). In (4xy), the variables are (x) and (y). The number (4) is the coefficient.

Step 3

Exam Tip

(4xy) में चर (x) और (y) हैं। संख्या (4) गुणांक है।

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