A) Rs. 16
B) Rs. 80
C) Rs. 160
D) Rs. 320
Correct Answer: C
Solution :
The dimensions of wall \[=8\,m\times 4\] \[m\times 20\,cm=8m\times 4m\times 0.2m\] Volume of the wall \[=(8\times 4\times 0.2){{m}^{3}}\] \[=6.4{{m}^{2}}\] \[\therefore \]Cost of constructing a wall at a rate of ` 25 per \[{{m}^{2}}=6.4\times \] Rs. 25 = Rs.160You need to login to perform this action.
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