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  • Find the cost of painting 15 cuboids of dimensions 16 cm x 12 cm x 8 cm at the rate of 250 per m².

Find the cost of painting 15 cuboids of dimensions 16 cm x 12 cm x 8 cm at the rate of 250 per m².

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eginarrayl extGiven,\ extNumber of cuboid=15\ extRate for paintingleft(r ight)=250 per m^2=250 imes10^-4 per cm^2\ extDimesion of cuboid=16 cm imes12 cm imes8 cm\ extArea of cuboidleft(A ight)=2left(lb+bh+hl ight)=2left(16cdot12+12cdot8+16cdot8 ight)=832 cm^2\ extCost of painting= extnumber of cube imes A imes r\ =15 imes832 cm^2 imes250 imes10^-4 Rs=312 Rsendarray

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Deependra Verma

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