Question : The sum of the length and breadth of a cuboid is 4 cm. Length is three times the breadth. If the height of the cuboid is half of the sum of its length and breadth. Then what is the total surface area of the cuboid?

Option 1: 64 cm²

Option 2: 22 cm²

Option 3: 32 cm²

Option 4: 30 cm²

Question : The sum of the length and breadth of a cuboid is 40 cm. If the height of the cuboid is $\frac{1}{5}$ of the sum of its length and breadth, then what is the lateral surface area of the cuboid?

Option 1: $580 {~cm}^2$

Option 2: $320 {~cm}^2$

Option 3: $640 {~cm}^2$

Option 4: $720 {~cm}^2$

Question : The sum of the length, breadth, and height of a cuboid box is 20 cm and the total surface area of a cuboid is 256 sq. cm. What is the maximum length (in approximate) of a stick that can be placed inside the cuboid box?

Option 1: 16 cm

Option 2: 24 cm

Option 3: 32 cm

Option 4: 12 cm