Multiple Choice Questions - Set - 6
Question 1:
Two concentric circles are of radii 5 cm and 3 cm. The length of the chord of the larger circle which touches the smaller circle is:
(a)8
(b)10
(c)12
(d)18
Correct Answer – (A)
Question 2 :
If a parallelogram circumscribes a circle, then it is a:
(a)Square
(b)Rectangle
(c)Rhombus
(d)None of the above
Correct Answer – (C)
Question 3 :
If TP and TQ are the two tangents to a circle with centre O so that ∠POQ = 110°, then ∠PTQ is equal to
(a)60°
(b)70°
(c)80°
(d)90°
Correct Answer – (B)
Question 4 :
If the angle between two radii of a circle is 110º, then the angle between the tangents at the ends of the radii is:
(a)90º
(b)50º
(c)70º
(c)40º
Correct Answer – (C)
Question 5 :
A tangent intersects the circle at:
(a)One point
(b)Two distinct point
(c)At the circle
(d)None of the above
Correct Answer – (A)
Question 6 :
The length of a tangent from a point A at a distance 5 cm from the centre of the circle is 4 cm. The radius of the circle is:
(a)3cm
(b)5cm
(c)7cm
(d)10cm
Correct Answer – (A)
Question 7 :
The length of the tangent from an external point A on a circle with centre O is
(a)always greater than OA
(b)equal to OA
(c)always less than OA
(d)Cannot be estimated
Correct Answer – (C)
Question 8 :
A circle can have _____parallel tangents at a single time.
(a)One
(b)Two
(c)Three
(d)Four
Correct Answer – (B)
Question 9 :
A circle has a number of tangents equal to
(a)0
(b)1
(c)2
(d)Infinite