Calculate the cost (rs.) of 100 mm thick brick lining of a septic tank of size 5 m x 3 m x 1.5 m, if the rate of lining is rs. 200 per square meter.
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Answered by
72
Hii buddy,
◆ Answer - Rs. 7800
◆ Explanation-
# Given-
l = 5 m
b = 1.5 m
h = 3 m
cost = 200 rs/sq.m
# Solution-
In septic tank we'll line only the sides (not top & bottom).
Therefore, total surface area to be lined -
A = 2 (lh + bh)
A = 2 (5×3 + 1.5×3)
A = 2 (15 + 4.5)
A = 2 × 19.5
A = 39 m^2
Total cost of lining -
Total cost = Area × cost
Total cost = 39 × 200
Total cost = 7800 Rs.
Thank you for asking...
◆ Answer - Rs. 7800
◆ Explanation-
# Given-
l = 5 m
b = 1.5 m
h = 3 m
cost = 200 rs/sq.m
# Solution-
In septic tank we'll line only the sides (not top & bottom).
Therefore, total surface area to be lined -
A = 2 (lh + bh)
A = 2 (5×3 + 1.5×3)
A = 2 (15 + 4.5)
A = 2 × 19.5
A = 39 m^2
Total cost of lining -
Total cost = Area × cost
Total cost = 39 × 200
Total cost = 7800 Rs.
Thank you for asking...
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