Question

A swimming pool is 20m in length , 15m in breadth , 4m in depth.Find the cost of cementing its floor and walls at ₹35 per metre square

Answer 1

Answer :

Length is 20m

Breadth is 15m

Height is 4m

Lateral surface area=2(bh+hl)lb

= 2(15*4+4*20)20*15 =768000

Cost of cementing is =768000*35

=2680000 ans.

Thanks