The length of a room is 5.5 m and width is 3.75 m. Find the cost of paying the floor by slabs at the rate of Rs. 400 per sq.metre.
Choose the correct choice from the following answers
A) Rs. 15,000  B) Rs. 8,250  C) Rs. 15,600  D) Rs. 16,500  E) None
Solution   Area of the floor	= (5.5 x 3.75)m²   = 20.635m ²   Cost of paying	= Rs. (400 x 20.625)   = Rs.8,250.   Answer Rs. 8,250
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The length of a room is 5.5 m and width is 3.75 m. Find the cost of paying the floor by slabs at the rate of Rs. 400 per sq.metre.