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Mathematics · 2025 · 1 mark
CBSE 2025 · Region 3 · Set 1 · Q15
If the mean of 2,9, x +6,2 x +3,5,10,5 is 7, then the value of x is:
If the mean of $\displaystyle 2,9, \mathrm{x}+6,2 \mathrm{x}+3,5,10,5$ is $\displaystyle 7$, then the value of x is:
Official answer
(D)
$\displaystyle 3$
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CBSE Class 10 Mathematics past-paper question from the 2025 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.