People will buy more of a good when its price falls and less when its price rises, according to

The correct answer is option D which is a sphere with a radius of 15 cm and a mass of 6 grams.

The formula of inertia : 1/2 m × r × r

By putting value in formula one by one:

Option A:

Inertia = 1/2 * 34 * 5 * 5 = 425

Option B:

Inertia = 1/2 * 15 * 4* 4 = 120

Option C:

Inertia = 1/2 * 27 * 8 * 8 = 864

Option D:

Inertia = 1/2 * 6 * 15 * 15 = 900