The original cube’s surface area is 6 × 4² = 96 cm². Cutting it yields 64 unit cubes with total surface area 64 × 6 = 384 cm². The ratio is 96 : 384, simplifying to 1 : 4. Class 9 ...
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Each cube has a side of 5 cm since 5³ = 125 cm³. Joining them creates a cuboid of dimensions 10 cm × 5 cm × 5 cm. Using 2(lw + wh + hl) gives 250 cm². CBSE Class 9 Ganita ...
The godown volume is 40 × 25 × 10 = 10,000 m³. Each cuboidal box has a volume of 2 × 1.25 × 1 = 2.5 m³. Dividing 10,000 by 2.5 gives exactly 4,000 boxes. Class 9 Ganita Manjari Part 2 ...
Converting 2 m to 200 cm, the box volume is 8,000,000 cm³. Dividing by a small cube’s volume of 8,000 cm³ gives 1,000 cubes that can be packed tightly inside the cubical box. Cbse Class 9 Maths Ganita Manjari Part 2 ...
Given the volume is 64 cm³, the side length of the cube is the cube root of 64, which equals 4 cm. Using the formula 6a², the total surface area is 6 × 16 = 96 cm². Ganita Manjari part 2 ...