CBSE Class 9 Answered
The cost of painting the inner surface of a cuboidal tank with square base of side 9 m at the rate of 10 per m2 is 3420. Calculate the capacity of the tank.
Asked by Topperlearning User | 23 Aug, 2017, 02:41: PM
Expert Answer
In a cuboidal tank,
Given: Length (l) = 9 m, breadth (b) = 9 m, and let height = h m
Area of surface painted for10 = 1 m2
Area of surface painted for 3420 = 342 m2
Thus area of tank = 342 m2
Volume of the tank== 405000 litres
Answered by | 23 Aug, 2017, 04:41: PM
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