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Ex 13.5, 4 - Find cost of digging a cuboidal pit 8 m long - Volume Of Cube/Cuboid

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Ex 13.5 , 4 Find the cost of digging a cuboidal pit 8 m long, 6 m broad and 3 m deep at the rate of Rs 30 per m3. Here, 𝑙 = 8 m, b = 6 m and h = 3 m Volume of the cuboidal pit = 𝑙𝑏ℎ = (8×6×3) 𝑚3 = 144 m3 Cost of digging 1 m3 = Rs 30 Cost of digging 144 m3 = Rs (144 ×30) = Rs 4320 ∴ Cost of digging the pit is Rs 4320

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