Question : The volume of a solid hemisphere is 19,404 cm³. Its total surface area (in cm²) is:
(Take $\pi=\frac{22}{7}$)

Question : If the surface area of a sphere is $1386 \mathrm{~cm}^2$, then its volume is:
(Take $\pi=\frac{22}{7}$ )

Question : The curved surface area of a solid hemisphere is 22 cm². What is the total surface area of the hemisphere? (use $\pi=\frac{22}{7}$)

Question : The volume of a solid cylinder is 2002 cm³ and its height is 13 cm. What is the area (in cm²) of its base?
(Take $\pi=\frac{22}{7}$)

Question : The radius and height of a cylinder are in the ratio 4: 7 and its volume is 2816 cm³. Find its radius. (Take $\pi=\frac{22}{7}$ )