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. 800 per sq. metre.	Answers:
A) Rs. 15000
B) Rs. 15550
C) Rs. 15600
D) Rs. 16500
E) None of these
Solution   Area of the floor = (5.5 × 3.75) m2 = 20.625 m2   ∴ Cost of paving = Rs. (800 × 20.625) = 16500. Answer Rs. 16500
<result>D</result>
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. 800 per sq. metre.