A room is 12 m long and 8 m broad. Find the cost of white washing its ceilling at ₹ 40.50 per sq. m.
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Find the area of the ceiling:
Area = Length x Breadth
Area = 12 x 8 = 96 m²
Find the cost of white washing the ceiling:
Given that it cost Rs 40.50 per square metre
⇒ 1 m² = $40.50
⇒ 96 m² = 40.50 x 96 = Rs 3888
Answer: The cost of white washing the ceiling is Rs 3888
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