समीकरणों (8x+ky=72) और (2x+7y=18) के अनंत हल होने के लिए (k) क्या होगा?

What will (k) be for the equations (8x+ky=72) and (2x+7y=18) to have infinitely many solutions?

Explanation opens after your attempt
Correct Answer

C. (28)

Step 1

Concept

The first equation must be (4) times the second. Therefore, (k=28).

Step 2

Why this answer is correct

The correct answer is C. (28). The first equation must be (4) times the second. Therefore, (k=28).

Step 3

Exam Tip

पहला समीकरण दूसरे का (4) गुना होना चाहिए। इसलिए (k=28) है।

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Mathematics Answer, Explanation and Revision Hints

समीकरणों (8x+ky=72) और (2x+7y=18) के अनंत हल होने के लिए (k) क्या होगा? / What will (k) be for the equations (8x+ky=72) and (2x+7y=18) to have infinitely many solutions?

Correct Answer: C. (28). Explanation: पहला समीकरण दूसरे का (4) गुना होना चाहिए। इसलिए (k=28) है। / The first equation must be (4) times the second. Therefore, (k=28).

Which concept should I revise for this Mathematics MCQ?

The first equation must be (4) times the second. Therefore, (k=28).

What exam hint can help solve this Mathematics question?

पहला समीकरण दूसरे का (4) गुना होना चाहिए। इसलिए (k=28) है।