The length of a room is 5.5 m and width is 3.75 m. Find the cost of paving the floor by slabs at the rate of Rs. 1000 per sq. metre.  Choose the correct choice from the following answers: A) Rs. 15000 B) Rs. 15550 C) Rs. 15600 D) Rs. 20625 E) None of these
Solution   Area of the floor = (5.5 × 3.75) m2 = 20.625 m2   ∴ Cost of paving = Rs. (1000 × 20.625) = 20625. Answer Rs. 20625
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The length of a room is 5.5 m and width is 3.75 m. Find the cost of paving the floor by slabs at the rate of Rs. 1000 per sq. metre.