state gov Jharkhand Police Constable Mock Test 2023 Quantitative Aptitude Geometry Circles, Chords and Tangents
In two circles centred at O and O’, the distance between the centres of both circles is 17 cm. The points of contact of a direct common tangent between the circles are P and Q. If the radii of both circles are 7 cm and 15 cm, respectively, then the length of PQ is equal to:
1
15 cm
2
17 cm
3
10 cm
4
22 cm