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The outer dimensions of a closed wooden box are 10 cm by 8 cm by 7 cm. Thickness of the wood is 1 cm3. Find the total cost of wood required to make box if 1 cm3 of wood costs Rs 2.00?

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Best answer

Volume of wood = 12 x 10 x 9 – 10 x 8 x 7 

= 1080 – 560 = 520 cm3 x 2.00 

= Rs 1040

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