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Mathematics · 2026 · 1 mark
CBSE 2026 · Region 2 · Set 1 · Q6
If the pair of linear equations: a_1 x + b_1 y + c_1=0 and a_2 x + b_2 y + c_2=0 is consistent and dependent, then
If the pair of linear equations : $\displaystyle \mathrm{a}_{1} \mathrm{x}+\mathrm{b}_{1} \mathrm{y}+\mathrm{c}_{1}=0$ and $\displaystyle \mathrm{a}_{2} \mathrm{x}+\mathrm{b}_{2} \mathrm{y}+\mathrm{c}_{2}=0$ is consistent and dependent, then
Official answer
(A)
$\displaystyle \frac{\mathrm{a}_{1}}{\mathrm{a}_{2}} \neq \frac{\mathrm{b}_{1}}{\mathrm{~b}_{2}}$
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CBSE Class 10 Mathematics past-paper question from the 2026 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.