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 × 40 m × 30 m. How many cuboidal boxes can be stored in it if the volume of one box is 0.8 𝑚^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 = (𝑉𝑜𝑙𝑢𝑚𝑒 𝑜𝑓 𝑔𝑜𝑑𝑜𝑤𝑛)/(𝑉𝑜𝑙𝑢𝑚𝑒 𝑜𝑓 1 𝑏𝑜𝑥) Volume of godown Volume = 𝑙×𝑏×ℎ = 60 × 40 × 30 = 6 × 4 × 3 × 1000 = 72000 m3 Now, Number of boxes = (𝑉𝑜𝑙𝑢𝑚𝑒 𝑜𝑓 𝑔𝑜𝑑𝑜𝑤𝑛)/(𝑉𝑜𝑙𝑢𝑚𝑒 𝑜𝑓 1 𝑏𝑜𝑥) = 72000/0.8 = 72000/(8/10) = (72000 × 10)/8 = 90,000 ∴ 90,000 cuboidal boxes can be stored in the godown.

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.