CBSE Past Year MCQ Quiz

Question 1 of 3

CBSE Board Exam 2026

In the given figure, PT is a tangent to the circle with centre O and radius r . If \(\angle \mathrm{POT}=45^{\circ}\), then the length of OP is :

A \(\mathrm{r} \sqrt{2}\) B \(\sqrt{2 \mathrm{r}}\) C \(2 \mathbf{r}\) D \(r^2\)

Select one option. Answers are shown after the test.

Question 2 of 3

CBSE Board Exam 2026

Assertion (A) : Radius is the smallest distance of a tangent from the centre of the circle.
Reason (R) : Radius is perpendicular to the tangent.

A Both A and R are true, and R is the correct explanation of A. B Both A and R are true, but R is not the correct explanation of A. C A is true, but R is false. D A is false, but R is true.

Select one option. Answers are shown after the test.

Question 3 of 3

CBSE Board Exam 2025

If tangents PA and PB drawn from an external point P to the circle with centre O are inclined to each other at an angle of \(80^{\circ}\) as shown in the given figure, then the measure of \(\angle \mathrm{POA}\) is :

A \(40^{\circ}\) B \(50^{\circ}\) C \(60^{\circ}\) D \(80^{\circ}\)

Select one option. Answers are shown after the test.

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