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Example 9 - A godown is in form of a cuboid of measures 60 m x 40 m x

Example 9 - Chapter 11 Class 8 Mensuration - Part 2
Example 9 - Chapter 11 Class 8 Mensuration - Part 3


Transcript

Example 9 A godown is in the form of a cuboid of measures 60 m Γ— 40 m Γ— 30 m. How many cuboidal boxes can be stored in it if the volume of one box is 0.8 π‘š^3 ? Given, Length of godown = l = 60 m Breadth of godown = b = 40 m & Height of godown = h = 30 m Also, a cuboidal box is to be stored in godown Volume of cuboidal box = 0.8 m3 So, Number of boxes = (π‘‰π‘œπ‘™π‘’π‘šπ‘’ π‘œπ‘“ π‘”π‘œπ‘‘π‘œπ‘€π‘›)/(π‘‰π‘œπ‘™π‘’π‘šπ‘’ π‘œπ‘“ 1 π‘π‘œπ‘₯) Volume of godown Volume = π‘™Γ—π‘Γ—β„Ž = 60 Γ— 40 Γ— 30 = 6 Γ— 4 Γ— 3 Γ— 1000 = 72000 m3 Now, Number of boxes = (π‘‰π‘œπ‘™π‘’π‘šπ‘’ π‘œπ‘“ π‘”π‘œπ‘‘π‘œπ‘€π‘›)/(π‘‰π‘œπ‘™π‘’π‘šπ‘’ π‘œπ‘“ 1 π‘π‘œπ‘₯) = 72000/0.8 = 72000/(8/10) = (72000 Γ— 10)/8 = 90,000 ∴ 90,000 cuboidal boxes can be stored in the godown.

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Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths and Science at Teachoo.