समीकरण (5x+4y=18) और (10x+8y=k) के अनंत हल होने के लिए (k) का मान क्या होगा?

What is the value of (k) for (5x+4y=18) and (10x+8y=k) to have infinitely many solutions?

Explanation opens after your attempt
Correct Answer

B. (36)

Step 1

Concept

The second equation must be (2) times the first, so (k=36). For infinitely many solutions, keep all three ratios equal.

Step 2

Why this answer is correct

The correct answer is B. (36). The second equation must be (2) times the first, so (k=36). For infinitely many solutions, keep all three ratios equal.

Step 3

Exam Tip

दूसरा समीकरण पहले का (2) गुना होना चाहिए, इसलिए (k=36)। अनंत हल के लिए तीनों अनुपात बराबर रखें।

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समीकरण (5x+4y=18) और (10x+8y=k) के अनंत हल होने के लिए (k) का मान क्या होगा? / What is the value of (k) for (5x+4y=18) and (10x+8y=k) to have infinitely many solutions?

Correct Answer: B. (36). Explanation: दूसरा समीकरण पहले का (2) गुना होना चाहिए, इसलिए (k=36)। अनंत हल के लिए तीनों अनुपात बराबर रखें। / The second equation must be (2) times the first, so (k=36). For infinitely many solutions, keep all three ratios equal.

Which concept should I revise for this Mathematics MCQ?

The second equation must be (2) times the first, so (k=36). For infinitely many solutions, keep all three ratios equal.

What exam hint can help solve this Mathematics question?

दूसरा समीकरण पहले का (2) गुना होना चाहिए, इसलिए (k=36)। अनंत हल के लिए तीनों अनुपात बराबर रखें।