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 : Volume of a cuboid is 4,800 cm³. If the height of this cuboid is 20 cm, then what will be the area of the base of the cuboid?

Option 1: 150 cm²

Option 2: 240 cm²

Option 3: 480 cm²

Option 4: 120 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

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 base of a right prism is a square having a side of 15 cm. If its height is 8 cm, then find the total surface area.

Option 1: 940 cm²

Option 2: 920 cm²

Option 3: 900 cm²

Option 4: 930 cm²