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Mathematics · 2026 · 1 mark
CBSE 2026 · Region 4 · Set 1 · Q4
If PQ and PR are tangents to the circle with centre O and radius 4 cm such that ∠ QPR =90^°, then the length OP is
If PQ and PR are tangents to the circle with centre O and radius $\displaystyle 4$ cm such that $\displaystyle \angle \mathrm{QPR}=90^{\circ}$, then the length OP is

Official answer
(B)
$\displaystyle 4 \sqrt{2} \mathrm{~cm}$
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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.