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 : What is the volume of the largest sphere that can be carved out of a wooden cube of sides 21 cm?$\left(\pi=\frac{22}{7}\right)$

Option 1: 3851 cm³

Option 2: 6858 cm³

Option 3: 4851 cm³

Option 4: 5821 cm³

Question : Three cubes of equal volume are joined end to end. Find the surface area of the resulting cuboid if the diagonal of the cube is $6 \sqrt{3} \mathrm{~cm}$.

Option 1: 509 cm²

Option 2: 504 cm²

Option 3: 516 cm²

Option 4: 512 cm²

Question : The volume of the sphere is 38,808 cm^3. What is the surface area of the sphere?

Option 1: 4455 cm²

Option 2: 4433 cm²

Option 3: 5544 cm²

Option 4: 3344 cm²

Question : The length of the side of a cube is 2.8 cm. What is the volume of the largest sphere that can be taken out of the cube?

Option 1: 11.50 cm³

Option 2: 1.15 cm³

Option 3: 11.55 cm³

Option 4: 115 cm³