, Avg: 00:41 , 33%✓ SSC CHSL 202111)Two concentric circles are of radii 15 cm and 6 cm. What is the length (in cm) of the chord of the larger circle that is tangent to the smaller circle?
6√21
, Avg: 01:38 , 25%✓ SSC CHSL 202112)Chords AB and CD of a circle are produced to meet at the point P, outside the circle, and AD is the diameter of the circle. If ∠DAP = 36° and ∠APC = 30°, then what will be the measure of ∠CBD?
24°
, Avg: 03:12 , 66%✓ SSC CHSL 202113)A chord PQ of a circle C1 of radius 9.25 cm touches another circle C2 that is concentric to C1, and the radius of C2 is 3 cm. What is the length (in cm) of PQ?
17.5
SSC CHSL 202114)In a circle, AB and DC are two chords. When AB and DC are produced, they meet at P. If PC = 2.8 cm, PB = 3.15 cm and AB = 3.85 cm, then CD = ?
5.075 cm
, Avg: 00:36 , 100%✓ SSC CHSL 202115)If PA and PB are tangents drawn to a circle with centre O at A and B from external point P such that ∠APB = 78°, then ∠OAB is equal to:
39°
, Avg: 00:34 , 100%✓ SSC CHSL 202116)A circle is inscribed in a triangle ABC. It touches sides AB, BC and AC at points R, P and Q, respectively. If AQ = 6.5 cm, PC = 7.5 cm and BR = 9 cm, then the perimeter (in cm) of the triangle ABC will be:
46
, Avg: 00:20 , 100%✓ SSC CHSL 202117)Two circles of radii 4 cm and 3 cm, respectively, touch each other externally. What is the distance (in cm) between their centres?
7
, Avg: 00:52 , 100%✓ SSC CHSL 202118)The distance between two equal parallel chords of a circle is 10 cm. If the chords are 24 cm long, then what is the length of the radius?
13 cm
, Avg: 01:32 , 62%✓ SSC CHSL 202119)Two chords PQ and RS of a circle meet at A when produced. AT is a tangent to the circle meeting it at T. The ratio PA : SA is equal to which of the following?
RA : AQ
, Avg: 00:53 , 100%✓ SSC CHSL 202120)PA and PB are tangents drawn to a circle with centre O from an external point P. If A and B are points on the circle and ∠OBA = 42°, then ∠APB is:
84°