The dimensions of a hall is 10m×9m×8m.Find the cost of white washing the walls and ceiling at the rate of Rs.8.50m
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Answer:
Rs 3502
Step-by-step explanation:
Dimensions = 10 x 9 x 8 m
White washing = LSA + Ceiling
LSA = 2h(l+b)
LSA = 2(10)(9+8)
LSA = 20 x 17
LSA = 340 m²
Area of seiling = lb
= 9 x 8
= 72 m²
White washing = 340 + 72 = 412 m²
Cost per m² = Rs 8.50
Cost for 412 m² = 412 x 8.50
= Rs 3502
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