Two uniform thin rods each of mass M and length I are placed along X and Y-axis with one end of each at the origin. M.I. of the system about Z-axis is

Three uniform thin rods, each of mass 1 kg and length sqrt3 \ m, are placed along three co-ordinate axes with one end at the origin. The moment of inertia of the system about X-axis is

Three identical rods, each of mass m and length l are placed along x, y and z axis respectively. One end of each rod is at the origin. The moment of inertia of the rods about x-axis will be

Three identical rods, each of mass m and length l are placed along x, y and z axis respectively. One end of each rod is at the origin. The moment of inertia of the rods x-axis will be

Four identical uniform thin rods, each of mass m and length l are joined to a common point O as shown in the figure. Moment of inertia of the system about an axis passing through O and lying in the plane of rods is

Three thin uniform rods each of mass M and length L and placed along the three axis of a Cartesian coordinate system with one end of each rod at the origin. The M.I. of the system about z-axis is

Three thin rods each of length Land mass M are placed along x, y and z-axes such that one end of each rod is at origin. The moment of inertia of this system about z-axis is