यदि रेखाएँ (kx+4y=22) और (x+y=6) बिंदु (\left\(2,4\right\)) पर मिलती हैं, तो (k) क्या होगा?

If the lines (kx+4y=22) and (x+y=6) meet at (\left\(2,4\right\)), what will (k) be?

Explanation opens after your attempt
Correct Answer

B. (3)

Step 1

Concept

Putting (\left\(2,4\right\)) in the first equation gives (2k+16=22). This gives (k=3).

Step 2

Why this answer is correct

The correct answer is B. (3). Putting (\left\(2,4\right\)) in the first equation gives (2k+16=22). This gives (k=3).

Step 3

Exam Tip

पहले समीकरण में (\left\(2,4\right\)) रखने पर (2k+16=22)। इससे (k=3) मिलता है।

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Mathematics Answer, Explanation and Revision Hints

यदि रेखाएँ (kx+4y=22) और (x+y=6) बिंदु (\left\(2,4\right\)) पर मिलती हैं, तो (k) क्या होगा? / If the lines (kx+4y=22) and (x+y=6) meet at (\left\(2,4\right\)), what will (k) be?

Correct Answer: B. (3). Explanation: पहले समीकरण में (\left\(2,4\right\)) रखने पर (2k+16=22)। इससे (k=3) मिलता है। / Putting (\left\(2,4\right\)) in the first equation gives (2k+16=22). This gives (k=3).

Which concept should I revise for this Mathematics MCQ?

Putting (\left\(2,4\right\)) in the first equation gives (2k+16=22). This gives (k=3).

What exam hint can help solve this Mathematics question?

पहले समीकरण में (\left\(2,4\right\)) रखने पर (2k+16=22)। इससे (k=3) मिलता है।

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