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Mathematics · 2024 · 1 mark
CBSE 2024 · Region 3 · Set 1 · Q16
The mean of five observations is 15. If the mean of first three observations is $\displaystyle 14$ and that of the last three observations is $\displaystyle 17$, then the third observation is
Official answer
From CBSE’s own marking scheme for this paper.
(C)
$\displaystyle 18$
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CBSE Class 10 Mathematics past-paper question from the 2024board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.