Question

A swimming pool is 20 m in length, 15 m in breadth, and 4 m in depth. Find the
cost of cementing its floor and walls at the rate of Rs.12 per square metre.​.....??????

Answer 1

Area of walls = 2(l+b)h

= 2(20+15)4=2400 m^2

area of floor = 20*15=300 m^2

Total area = 2700 m^2

Cost = 2700*12= Rs. 32400

Answer 2

Answer:

ur answer is 32400

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