The cost of construction of a wall 8 m long, 4 m height and 20 cm thick at the rate ₹ 25 per m^3 is
The cost of construction of a wall 8 m long, 4 m height and 20 cm thick at the rate ₹ 25 per m3 is
A) ₹ 80
B) ₹ 160
C) ₹ 320
D) ₹ 16
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Correct option is (B) ₹ 160
Volume of wall \(=lbh\)
\(=8\times4\times0.20\,m^3\)
\(=6.4\,m^3\)
\(\therefore\) Cost of construction of wall \(=Rs\,6.4\times25\)
= Rs 160
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