समीकरणों (kx+12y=36) और (15x+20y=60) के अनंत हल होने के लिए (k) क्या होगा?

What will (k) be for the equations (kx+12y=36) and (15x+20y=60) to have infinitely many solutions?

Explanation opens after your attempt
Correct Answer

C. (9)

Step 1

Concept

For infinitely many solutions, (k/15=12/20=36/60) must hold. Therefore, (k=9) is correct.

Step 2

Why this answer is correct

The correct answer is C. (9). For infinitely many solutions, (k/15=12/20=36/60) must hold. Therefore, (k=9) is correct.

Step 3

Exam Tip

अनंत हल के लिए (k/15=12/20=36/60) होना चाहिए। इसलिए (k=9) सही है।

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समीकरणों (kx+12y=36) और (15x+20y=60) के अनंत हल होने के लिए (k) क्या होगा? / What will (k) be for the equations (kx+12y=36) and (15x+20y=60) to have infinitely many solutions?

Correct Answer: C. (9). Explanation: अनंत हल के लिए (k/15=12/20=36/60) होना चाहिए। इसलिए (k=9) सही है। / For infinitely many solutions, (k/15=12/20=36/60) must hold. Therefore, (k=9) is correct.

Which concept should I revise for this Mathematics MCQ?

For infinitely many solutions, (k/15=12/20=36/60) must hold. Therefore, (k=9) is correct.

What exam hint can help solve this Mathematics question?

अनंत हल के लिए (k/15=12/20=36/60) होना चाहिए। इसलिए (k=9) सही है।