SSC CGL Tier II 12 Jan 2017 Paper 1

Question : 85 of 100

Marks: +1, -0

PQ and RS are common tangents to two circles intersecting at A and B. AB, when produced both sides, meet the tangents PQ and RS at X and Y, respectively. If AB = 3 cm, XY = 5 cm, then PQ (in cm) will be