CBSE Class 10 - Maths - Circles (Quiz 2016)

Circles 

MCQs

Q1: A tangent to a circle intersects it at how many points?

(a) 1
(b) 2
(c) 3
(d) none of these


Q2: Both tangents and radii

(a) orignate from the center of a circle.
(b) meet a circle at exactly one point.
(c) are half a circle’s length.
(d) are straight angles.



Q3: A tangent to a circle (center O) drawn from an exterior point to the circle and touches the circle at a point P on the circumference. Which of the following statement is TRUE?

(a) ∠TPO > 90°
(b) ∠TPO = 90°
(c) ∠TPO < 90°
(d) ∠TPO = 180°


Q4: Two concentric circles are of radii 13 cm and 12 cm. What is the length of the chord of the larger circle which touches the smaller circle?

(a) 8 cm
(b) 6 cm
(c) 10 cm
(d) 4 cm


Q5: A parallelogram circumscribing a circle a ____

(a) square
(b) rhombus
(c) rectangle
(d) incircle




Q6: The length of tangents drawn from an external point to a circle are ______

(a) equal
(b) unequal
(c) always 3 times the other
(d) none of these


Q7: The area of a sector inscribing angle θ of a circle of radius r is

(a) πr²
(b) ½πr²
(c) πr²θ
(d) ½r²θ


Q8: The tangents drawn at the ends of a diameter of a circle are ________

(a) parallel
(b) perpendicular
(c) nonparallel
(d) none of these



Q9: Segment joining the points of contact of two parallel tangents

(a) will not pass through the centre.
(b) will pass through the centre.
(c) may or may not pass through the centre.
(d) none of these



Q10: Two circles having same centres are called ____

(a) incentric circles
(b) concentric circles
(c) centric circles
(d) none of these



Answers:
1: (a) 1
2: (b) meet a circle at exactly one point.
3: (b) ∠TPO = 90°
4: (c) 10 cm
5: (b) rhombus
6: (a) equal
7: (d) (d) ½r²θ
8: (a) parallel
9: (b) will pass through the centre.
10: (b) concentric circles