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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