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Mathematics · 2026 · 1 mark
CBSE 2026 · Region 3 · Set 1 · Q3
In DEF, AB ∥ EF. The value of x is:
In $\displaystyle \triangle \mathrm{DEF}, \mathrm{AB} \| \mathrm{EF}$. The value of x is :
Official answer
(B)
$\displaystyle 2$ only
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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.