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Mathematics · 2024 · 1 mark
CBSE 2024 · Region 1 · Set 1 · Q5
If [x + y, 2; 5, xy] = [6, 2; 5, 8], then the value of (24/x+24/y) is:
If $\displaystyle \left[\begin{array}{cc}\mathrm{x}+\mathrm{y} & 2 \\ 5 & \mathrm{xy}\end{array}\right]=\left[\begin{array}{cc}6 & 2 \\ 5 & 8\end{array}\right]$, then the value of $\displaystyle \left(\frac{24}{\mathrm{x}}+\frac{24}{\mathrm{y}}\right)$ is :
Official answer
(D)
$\displaystyle 18$
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CBSE Class 12 Mathematics past-paper question from the 2024 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.