Question : The total surface area of a solid hemisphere of diameter 14 cm is (use $\pi=\frac{22}{7}$ ):

Option 1: 522 cm²

Option 2: 462 cm²

Option 3: 428 cm²

Option 4: 584 cm²

Question : The difference between the total surface area and the lateral surface area of a cube of side 12 cm is:

Option 1: 292 cm²

Option 2: 290 cm²

Option 3: 288 cm²

Option 4: 286 cm²

Question : If the volume of a cube is 729 cm³, then find the total surface area of the cube.

Option 1: 484 cm²

Option 2: 482 cm²

Option 3: 488 cm²

Option 4: 486 cm²

Question : A solid sphere of diameter 7 cm is cut into two equal halves. What will be the increase in its total surface area?

Option 1: 77 cm²

Option 2: 60.5 cm²

Option 3: 65.5 cm²

Option 4: 55 cm²

Question : If the total surface area of a cube is 96 cm², its volume is:

Option 1: 56 cm³

Option 2: 16 cm³

Option 3: 64 cm³

Option 4: 36 cm³