The dimension of Mr Naresh bedroom is 8m x 7m x 5 m it has to Windows each measuring 2m X 1m and one door measuring 3m X 1 m find the cost of whitewashing the room at 50 rupees per square metre
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Step-by-step explanation:
if he is white washing the whole room it means including the roof and floors...
floor and roof have same dimensions(8×7×2)≈112
WALLS ;8×5×2≈80
;7×5×2≈70
80+70+112=262
windows and door=7m²
262-7=255m²
255×50=12750 rupees
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