The length of the room is 4m and width is 5m. Find the cost of paving the floor by slabs at the rate of Rs.200 per sq meter?	Pick.
A) 1000  B) 2000  C) 4000  D) 3000  E) 6000
l=4m w=5m   area of the floor = 4 x 5 = 20 sq m   cost of paving = 200 x 20= Rs. 4000   Answer: 4000
<result>C</result>
The length of the room is 4m and width is 5m. Find the cost of paving the floor by slabs at the rate of Rs.200 per sq meter?