Q. 115.0( 7 Votes )
A swimming pool is 20 m long 15 m wide and 3 m deep. Find the cost of repairing the floor and wall at the rate of Rs. 25 per square metre.
Dimensions of swimming pool are = 20m × 15m ×3m
Length = 20m , Breadth = 15m , Height = 3m
Area of floor & walls of swimming pool =
Cost of repairing 1 m2 area = Rs.25
∴ Cost of repairing 510 m2 =
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