Math Chapter Wise Sphere, Cone And Cylinder English MCQ RPSC PGT 2022 Q.The equation of the right circular cylinder whose axis is x-axis and radius is “r”, is- Ay2 + z2 = r2 Bz2 + x2 = r2 Cx2 + y2 = r2 Dx2 + y2 + z2 = r2 Show answer Correct answer: y2 + z2 = r2