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Class 10 Mathematics Pair of Linear Equations in Two Variables Conditions for solvabilityMedium

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Which condition is correct for (3x+5y=14) and (6x+10y=r) to be inconsistent?

Answer and explanation

Correct answer: (r \ne 28)

The first two ratios are equal, so for inconsistency the constant ratio must be different. Hence (r \ne 28).

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Linear Equations Inconsistent Parameter Conditions For Solvability Pair Of Linear Equations In Two Variables Mathematics Class 10 Mcq

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