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

Option 1: 66 cm²

Option 2: 44 cm²

Option 3: 33 cm²

Option 4: 30 cm²

Question : If the surface area of a cube is 5046 cm², then the volume of the cube is:

Option 1: 26189 cm³

Option 2: 25145 cm³

Option 3: 22812 cm³

Option 4: 24389 cm³

Question : If the length of the diagonal of a cube is $7 \sqrt{3} \mathrm{~cm}$, then the surface area of the cube is_____.

Option 1: 216 cm²

Option 2: 256 cm²

Option 3: 284 cm²

Option 4: 294 cm²

Question : The volume of a solid hemisphere is 19404 cm³. Its total surface area is:

Option 1: 4158 cm²

Option 2: 2858 cm²

Option 3: 1738 cm²

Option 4: 2038 cm²

Question : The volume of a cylinder is 4312 cm³. Its curved surface area is one-third of its total surface area. Its curved surface area (in cm²) is:
(Take $\pi=\frac{22}{7}$ )

Option 1: 572 cm²

Option 2: 528 cm²

Option 3: 660 cm²

Option 4: 616 cm²