Two rigid bodies have the same angular momentum about their axes of symmetry. If the same torque is applied about their axes, then the ratio of the time after which they will be stopped

Two rigid bodies have the same angular momentum about their axes of symmetry. If the same torque is applied about their axes, then the ratio of the times after which they will be stopped is

Two rigid bodies have same moment of inertia about there axes of symmetry. Then which will have more kinetic energy ?