यदि (2x+my=34) का हल (x=7,\ y=4) है, तो (m) का मान क्या होगा?

If (x=7,\ y=4) is a solution of (2x+my=34), what will be the value of (m)?

Explanation opens after your attempt
Correct Answer

B. (m=5)

Step 1

Concept

Substitute (x=7,\ y=4) in the equation. (14+4m=34), so (m=5).

Step 2

Why this answer is correct

The correct answer is B. (m=5). Substitute (x=7,\ y=4) in the equation. (14+4m=34), so (m=5).

Step 3

Exam Tip

(x=7,\ y=4) को समीकरण में रखें। (14+4m=34), इसलिए (m=5)।

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Mathematics Answer, Explanation and Revision Hints

यदि (2x+my=34) का हल (x=7,\ y=4) है, तो (m) का मान क्या होगा? / If (x=7,\ y=4) is a solution of (2x+my=34), what will be the value of (m)?

Correct Answer: B. (m=5). Explanation: (x=7,\ y=4) को समीकरण में रखें। (14+4m=34), इसलिए (m=5)। / Substitute (x=7,\ y=4) in the equation. (14+4m=34), so (m=5).

Which concept should I revise for this Mathematics MCQ?

Substitute (x=7,\ y=4) in the equation. (14+4m=34), so (m=5).

What exam hint can help solve this Mathematics question?

(x=7,\ y=4) को समीकरण में रखें। (14+4m=34), इसलिए (m=5)।