समीकरणों (7x+ay=20) और (14x+10y=47) का कोई हल न होने के लिए (a) क्या होगा?

What will (a) be for the equations (7x+ay=20) and (14x+10y=47) to have no solution?

Explanation opens after your attempt
Correct Answer

A. (5)

Step 1

Concept

For no solution, (7/14=a/10) and (20/47) must be different. Therefore, (a=5).

Step 2

Why this answer is correct

The correct answer is A. (5). For no solution, (7/14=a/10) and (20/47) must be different. Therefore, (a=5).

Step 3

Exam Tip

कोई हल नहीं के लिए (7/14=a/10) और (20/47) अलग होना चाहिए। इसलिए (a=5) है।

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Mathematics Answer, Explanation and Revision Hints

समीकरणों (7x+ay=20) और (14x+10y=47) का कोई हल न होने के लिए (a) क्या होगा? / What will (a) be for the equations (7x+ay=20) and (14x+10y=47) to have no solution?

Correct Answer: A. (5). Explanation: कोई हल नहीं के लिए (7/14=a/10) और (20/47) अलग होना चाहिए। इसलिए (a=5) है। / For no solution, (7/14=a/10) and (20/47) must be different. Therefore, (a=5).

Which concept should I revise for this Mathematics MCQ?

For no solution, (7/14=a/10) and (20/47) must be different. Therefore, (a=5).

What exam hint can help solve this Mathematics question?

कोई हल नहीं के लिए (7/14=a/10) और (20/47) अलग होना चाहिए। इसलिए (a=5) है।

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