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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 

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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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2 Answers

+1 vote
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Best answer

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

+1 vote
by (36.7k points)

Correct option is  B) ₹ 160

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