CBSE Class 9 Answered
Find the cost of painting the four walls and the base of a rectangular tank of dimensions 3 m × 2 m × 2.5 m at the rate of Rs 4.50 per m2.
Asked by Topperlearning User | 23 Aug, 2017, 01:11: PM
Expert Answer
Given: length (l)=3 m, breadth(b)=2 m and height(h)=2.5 m
Area of four walls and base
=
Cost of painting 1 m2 = Rs 4.50
Therefore, cost of painting 31 m2 =Rs {31×4.50}
=Rs 139.50
Answered by | 23 Aug, 2017, 03:11: PM
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