Two solid right cones of equal height and of radii r 1 and r 2 are melted and ma

MCQ Practice

Two solid right cones of equal height and of radii r 1 and r 2 are melted and made to form a solid sphere of radius R. Then the height of the cone is

Subject: MathematicsTopic: Mensuration 3D

$$frac{{4{R^2}}}{{r_1^2r_2^2}}$$

$$frac{{4R}}{{{r_1}{r_2}}}$$

$$frac{{4{R^3}}}{{r_1^2 + r_2^2}}$$

$$frac{{{R^2}}}{{r_1^2r_2^2}}$$

Correct Answer: C