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sum value MCQ Questions for Class 10

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Question 1/1 Medium Mathematics Pair of Linear Equations in Two Variables Algebraic methods: Substitution method and Elimination method. Class 10 Level 56

यदि (x+2y=11) और (3x-y=8), तो (x+y) का मान क्या है?

If (x+2y=11) and (3x-y=8), what is the value of (x+y)?

Explanation opens after your attempt

Correct Answer

D. (8)

Step 1

Concept

Use (x=11-2y) from the first equation. Solving gives (y=3) and (x=5), so (x+y=8).

Step 2

Why this answer is correct

The correct answer is D. (8). Use (x=11-2y) from the first equation. Solving gives (y=3) and (x=5), so (x+y=8).

Step 3

Exam Tip

पहले समीकरण से (x=11-2y) रखें। हल करने पर (y=3) और (x=5), इसलिए (x+y=8)।

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