यदि (9x+5y=47) और (27x+15y=n) के अनंत हल हैं, तो (n) कितना होगा?

If (9x+5y=47) and (27x+15y=n) have infinitely many solutions, what is (n)?

Explanation opens after your attempt
Correct Answer

C. (141)

Step 1

Concept

The second equation must be (3) times the first. Therefore, (n=141).

Step 2

Why this answer is correct

The correct answer is C. (141). The second equation must be (3) times the first. Therefore, (n=141).

Step 3

Exam Tip

दूसरा समीकरण पहले का (3) गुना होना चाहिए। इसलिए (n=141) होगा।

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Mathematics Answer, Explanation and Revision Hints

यदि (9x+5y=47) और (27x+15y=n) के अनंत हल हैं, तो (n) कितना होगा? / If (9x+5y=47) and (27x+15y=n) have infinitely many solutions, what is (n)?

Correct Answer: C. (141). Explanation: दूसरा समीकरण पहले का (3) गुना होना चाहिए। इसलिए (n=141) होगा। / The second equation must be (3) times the first. Therefore, (n=141).

Which concept should I revise for this Mathematics MCQ?

The second equation must be (3) times the first. Therefore, (n=141).

What exam hint can help solve this Mathematics question?

दूसरा समीकरण पहले का (3) गुना होना चाहिए। इसलिए (n=141) होगा।

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