Math Chapter Wise question with answer

Q01 The radius of a sphere whose centre is (4, 4, –2) and which passes through the origin is: English · NVS PGT 10-06-2019 Q02 The equation of the sphere whose centre is (2,–3, 4) and the radius 5 is– English · UP PCS (Pre) 1995 Q03 The centre of a sphere which passes through the points (a, 0, 0), (0, b, 0), (0, 0, c) and (0, 0, 0), (where a, b,... English · KVS PGT 2023 Q04 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) Q05 The centre of the sphere (x 1)(x 3) (y 2)(y 4) (z 3) (z 1) 0 is + + + − − + + + + + − − + + + + + − − + + + + + − −... English · UP PCS (Pre) 1995 Q06 The equation of the right circular cylinder whose axis is x-axis and radius is “r”, is- English · RPSC PGT 2022