The moment of inertia of a circular lamina of diameter ‘d’, about an axis perpendicular to the plane of the lamina and passing through its centre, is
A. $$\frac{{\pi {{\text{d}}^4}}}{{12}}$$
B. $$\frac{{\pi {{\text{d}}^4}}}{{16}}$$
C. $$\frac{{\pi {{\text{d}}^4}}}{{24}}$$
D. $$\frac{{\pi {{\text{d}}^4}}}{{32}}$$
E. $$\frac{{\pi {{\text{d}}^4}}}{{36}}$$
Answer: Option D

Parallel axis theorem & Perpendicular axis theorem with sketch in simple understanding
Pi*d^4/64