Math Chapter Wise question with answer

Q01 If 2x–y+z+4=0 is a tangent plane to the sphere whose centre is (1, 0, 1), then radius of sphere is English · UP PGT-2016 (02-02-2019) Q02 The equation of the sphere whose centre is (2,–3, 4) and the radius 5 is– English · UP PCS (Pre) 1995 Q03 The radius of the smallest sphere passing through (1, 0, 0) (0, 1, 0) (0, 0, 1) is: English · NVS PGT 2022 Q04 The radius of sphere x2 + y2 + z2 + x + y + z = 4 is – English · UP PGT 2021 Q05 Two spheres of radii r1 and r2 intersect each other orthogonally. The radius of the common circle is English · UPPSC Ashram Paddhati 2021 Rajasthan TGT 2015 Q06 A sphere 2 2 2 x + y + z = 9 is cut by the plane x + y + z = 3The radius of the circle so formed is: English · Haryana PGT 2018