Question

swimming pool is 20m in length 15m in breadth 4min depth
find the cost of cementing its floor and walls at rupees 35 per metre square

Answer 1

Length of swimming pool is 20 m,

Breadth of swimming pool is 15 m

and height of swimming pool is 4m.

According to question-

Area of swimming pool is-

2(lb+bh+lh)

2(20x15+15x4+4x20)

2(300+60+80)

2x440

880 square metre

Since,Cost of cementing floor and wall of swimming pool per sqaure metre=rs 35

Therefore, cost of cementing floor and wall of swimming poll 880 square metre=35x880

Answer=Rs 30800