A swimming pool is 50m in length , 30m in breadth and 2.5m in depth . Find the cost of cementing its floor and walls at the rate of rs 27 per square metre.
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Area of wall=2(l+b)h=2*(50+30)*2.5
=2*80*2.5=400m^2
Area of floor =l*b=50*30=1500m^2
Total area to be cemented=400+1500=1900m^2
Rate of cementing =27/m^2
Total cost =27*1900=Rs. 51300
Answer. Rs 51300
=2*80*2.5=400m^2
Area of floor =l*b=50*30=1500m^2
Total area to be cemented=400+1500=1900m^2
Rate of cementing =27/m^2
Total cost =27*1900=Rs. 51300
Answer. Rs 51300
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