Question

If the length, breadth, and depth of a swimming pool are 20 m, 10 m, 45 m , then cost of cementing its floor and walls at Rs. 25 per sq.m is

Answer 1

Answer:rs 67500

Step-by-step explanation:

To find the wall area

l*h+b*h+l*h+b*h

=20*45+10*45+20*45+10*45

=900+450+900+450

=2700msq

now cost to cement pr sq m

=2700*25

Rs67500