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smart solving MCQ Questions for Class 10

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3 questions tagged with smart solving.

Question 1/3 Expert Mathematics Pair of Linear Equations in Two Variables Graphical method of finding solutions. Class 10 Level 54

यदि (5x-y=19) और (x+y=5) का ग्राफीय समाधान ((p,q)) है, तो (p-q) क्या होगा?

If the graphical solution of (5x-y=19) and (x+y=5) is ((p,q)), what is (p-q)?

Explanation opens after your attempt
Correct Answer

C. (3)

Step 1

Concept

Solving gives (p=4) and (q=1). Therefore (p-q=3), which comes from the intersection point.

Step 2

Why this answer is correct

The correct answer is C. (3). Solving gives (p=4) and (q=1). Therefore (p-q=3), which comes from the intersection point.

Step 3

Exam Tip

हल करने पर (p=4) और (q=1) मिलता है। इसलिए (p-q=3), और यही प्रतिच्छेद से निकला मान है।

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Question 2/3 Expert Mathematics Pair of Linear Equations in Two Variables Graphical method of finding solutions. Class 10 Level 53

यदि (4x-y=11) और (x+y=4) का ग्राफीय समाधान ((p,q)) है, तो (p-q) क्या होगा?

If the graphical solution of (4x-y=11) and (x+y=4) is ((p,q)), what is (p-q)?

Explanation opens after your attempt
Correct Answer

B. (2)

Step 1

Concept

Solving gives (p=3) and (q=1). Therefore (p-q=2), which comes from the intersection point.

Step 2

Why this answer is correct

The correct answer is B. (2). Solving gives (p=3) and (q=1). Therefore (p-q=2), which comes from the intersection point.

Step 3

Exam Tip

हल करने पर (p=3) और (q=1) मिलता है। इसलिए (p-q=2), और यही प्रतिच्छेद से निकला मान है।

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Question 3/3 Expert Mathematics Pair of Linear Equations in Two Variables Graphical method of finding solutions. Class 10 Level 52

यदि (3x+y=14) और (x-y=2) का ग्राफीय समाधान ((p,q)) है, तो (p-q) क्या होगा?

If the graphical solution of (3x+y=14) and (x-y=2) is ((p,q)), what is (p-q)?

Explanation opens after your attempt
Correct Answer

A. (2)

Step 1

Concept

The second equation directly gives (p-q=2). The intersection point satisfies both equations, so full solving is not always necessary.

Step 2

Why this answer is correct

The correct answer is A. (2). The second equation directly gives (p-q=2). The intersection point satisfies both equations, so full solving is not always necessary.

Step 3

Exam Tip

दूसरे समीकरण से सीधे (p-q=2) मिलता है। प्रतिच्छेद बिंदु दोनों समीकरणों को संतुष्ट करता है, इसलिए पूरा हल निकालना जरूरी नहीं।

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