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18. Surface Area and Volume of a Cuboid and a Cude
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Q17 of 76 Page 18

The cost of constructing a wall 8 m long, 4 m high and 20 cm thick at the rate of Rs. 25 per m3 is

Given,


Length of wall = 8m


Breadth of wall = 4 m


Thickness of wall = 20 cm =


Volume of wall =


∵ cost of construction of 1m3 wall = Rs. 25


∴ cost of construction of

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Questions · 76
18. Surface Area and Volume of a Cuboid and a Cude
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