With radius 3.5 cm and height 12 cm, one glass holds (22/7) × 3.5² × 12 = 462 cm³. For 1600 students, total milk is 1600 × 462 = 739,200 cm³ = 739.2 litres. Ganita Manjari Part 2 Class 9 Chapter ...
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Assuming a world population of 8 billion and each standing person occupying about 0.25 m², total area is 8,000,000,000 × 0.25 = 2,000,000,000 m² = 2,000 km², roughly the area of a large city. Class 9 Ganita Manjari Part 2 book ...
Option (A) has a volume of 50³ = 125,000 mm³. Option (B) has 100 × 10³ = 100,000 mm³. Since 125,000 mm³ is greater than 100,000 mm³, Option (A) gives more chocolate. Class 9 Ganita Manjari part 2 Chapter 14 end ...
(i) No, drinking 2.5 L daily for 80 years totals ~73 m³, far less than a standard ~200 m³ classroom. (ii) For a 30 ft × 20 ft × 10 ft classroom, roughly 8,000 to 10,000 standard bricks are required. Cbse ...
The volume increases from a³ to (a + 1)³. Subtracting the original volume gives (a + 1)³ − a³ = a³ + 3a² + 3a + 1 − a³ = 3a² + 3a + 1 unit cubes to be added. Ganita ...