यदि (kx+3y=25) और (x-y=2) का हल (x=5,\ y=3) है, तो (k) का मान क्या है?

If (kx+3y=25) and (x-y=2) have solution (x=5,\ y=3), what is the value of (k)?

Explanation opens after your attempt
Correct Answer

A. \(k=\frac{16}{5}\)

Step 1

Concept

Substitute the given solution in (kx+3y=25). (5k+9=25), so \(k=\frac{16}{5}\).

Step 2

Why this answer is correct

The correct answer is A. \(k=\frac{16}{5}\). Substitute the given solution in (kx+3y=25). (5k+9=25), so \(k=\frac{16}{5}\).

Step 3

Exam Tip

दिए हल को (kx+3y=25) में रखें। (5k+9=25), इसलिए \(k=\frac{16}{5}\)।

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Mathematics Answer, Explanation and Revision Hints

यदि (kx+3y=25) और (x-y=2) का हल (x=5,\ y=3) है, तो (k) का मान क्या है? / If (kx+3y=25) and (x-y=2) have solution (x=5,\ y=3), what is the value of (k)?

Correct Answer: A. \(k=\frac{16}{5}\). Explanation: दिए हल को (kx+3y=25) में रखें। (5k+9=25), इसलिए \(k=\frac{16}{5}\)। / Substitute the given solution in (kx+3y=25). (5k+9=25), so \(k=\frac{16}{5}\).

Which concept should I revise for this Mathematics MCQ?

Substitute the given solution in (kx+3y=25). (5k+9=25), so \(k=\frac{16}{5}\).

What exam hint can help solve this Mathematics question?

दिए हल को (kx+3y=25) में रखें। (5k+9=25), इसलिए \(k=\frac{16}{5}\)।