The simultaneous equations \(x + 2y = 4\) and \(2x + 4y = 12\) have

A. a unique solution

B. infinitely many solutions

C. no solution

D. exactly two solutions

Doubtly AI Asked 24 Oct 2026 AI-verified · Oct 2026 ssc 10th Save WhatsApp Report

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Answer: C. no solution

\(D = 1\times4 - 2\times2 = 0\). Dividing the second equation by 2 gives \(x + 2y = 6\), which contradicts \(x + 2y = 4\). The lines are parallel, so there is no solution.

Doubtly AI · 24 Oct 2026 AI-verified · Oct 2026 Report

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The simultaneous equations \(x + 2y = 4\) and \(2x + 4y = 12\) have

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