Question : The total surface area of a closed cube is 128 cm² more than the area of a square. If the length of each side of the cube is 8 cm, then what is the length of each side of the square?

Option 1: 16 cm

Option 2: 12 cm

Option 3: 18 cm

Option 4: 9 cm

Question : If the sum of the length, breadth and height of a rectangular parallelepiped is 24 cm and the length of its diagonal is 15 cm, then its total surface area is:

Option 1: 256 cm²

Option 2: 265 cm²

Option 3: 315 cm²

Option 4: 351 cm²

Question : If the volume of a cube is 5832 cm³, then what is the lateral surface area of this cube?

Option 1: 1024 cm²

Option 2: 384 cm²

Option 3: 576 cm²

Option 4: 1296 cm²

Question : The length of each diagonal of a rectangle is 50 cm. If its breadth is 14 cm, then what will be the area of the rectangle?

Option 1: 832 cm²

Option 2: 716 cm²

Option 3: 784 cm²

Option 4: 672 cm²

Question : If the area of a square is 529 cm², then what is the length of its diagonal?

Option 1: $23\mathrm{~cm}$

Option 2: $26 \sqrt{3} \mathrm{~cm}$

Option 3: $23 \sqrt{2 } \mathrm{~cm}$

Option 4: $46 \mathrm{~cm}$