Question

A swimming pool is 20m in length 15m in breadth and 4m in depth. find the cost of cementing it's floor and walls at the rate of ₹36 per m
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Answer 1

Answer:

Step-by-step explanation:

Area of floor = L x B

                     = 20 x 15

                     = 300 sq m

Area of 4 walls = 2(L+B)*H

                         = 2(20+15)*4

                         = 2*35*4

                         = 280 sq m

Cost of cementing = total area *36

                                = (280+300)*36

                               =  580*36

                               = 20,880 Rs

Answer 2

Answer:

20880 is the right answer dear..............