Question

(i) The radius of the sphere so formed: (a) 6 cm
(b) 7 cm
(c) 4 cm
(d) 8 cm

(iii) What is the ratio of the volume of a sphere to the volume of a cylinder:
(a) 1:2
(b) 2:1
(c) 1:1
(d) 3:1

with explaination​

Answer 1

siddh siddh vriksh Vivek no NVR of sikandar usmei

Answer 2

4r/3h

Explanation:

• The volume of a sphere is given by $\frac{4}{3} \pi r^3$
• The volume of a cylinder is given by $\pi r^2 h$
• Ratio is, therefore, $\frac{\frac{4}{3} \pi r^3} {\pi r^2 h}} = \frac{4r}{3h}$