CBSE 2025 · Region 1 · Set 1 · Q11 · 1 mark
If $\displaystyle \overrightarrow{\mathrm{a}}+\overrightarrow{\mathrm{b}}+\overrightarrow{\mathrm{c}}=\overrightarrow{0},|\overrightarrow{\mathrm{a}}|=\sqrt{37},|\overrightarrow{\mathrm{~b}}|=3$ and $\displaystyle |\overrightarrow{\mathrm{c}}|=4$, then angle between $\displaystyle \vec{\mathrm{b}}$ and $\displaystyle \vec{\mathrm{c}}$ is
Official answer
From CBSE’s own marking scheme for this paper.
(C)
$\displaystyle \frac{\pi}{3}$
Vector AlgebraProduct of Two VectorsApplymcqmedium
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CBSE Class 12 Mathematics past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.