समीकरणों (4x+7y=31) और (8x+14y=65) के बारे में सही कथन क्या है?
Which statement is correct about (4x+7y=31) and (8x+14y=65)?
Explanation opens after your attempt
A. कोई हल नहीं हैThere is no solution
Concept
Twice the first equation is (8x+14y=62), but the second is (8x+14y=65). Therefore there is no solution.
Why this answer is correct
The correct answer is A. कोई हल नहीं है / There is no solution. Twice the first equation is (8x+14y=62), but the second is (8x+14y=65). Therefore there is no solution.
Exam Tip
पहले समीकरण का (2) गुना (8x+14y=62) है, लेकिन दूसरा (8x+14y=65) है। इसलिए कोई हल नहीं।
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