A) \[\text{6752 c}{{\text{m}}^{\text{3}}}\]
B) \[\text{6750 c}{{\text{m}}^{\text{3}}}\]
C) \[\text{5752 c}{{\text{m}}^{\text{3}}}\]
D) \[\text{5750 c}{{\text{m}}^{\text{3}}}\]
Correct Answer: A
Solution :
Thickness of wood \[=\text{ }1\text{ }cm\] Internal length of wooden box\[=40-(1+1)=38cm\] Internal breadth of the box \[=34-(1+1)-32\text{ }cm\] Internal height of wooden box \[-30-(1+1)=28\text{ }cm\] \[\therefore \] Internal volume of box\[=(38\times 32\times 28)c{{m}^{3}}\] \[=34,048c{{m}^{3}}\] External volume of box\[=(40\times 34\times 30)c{{m}^{3}}\] \[=40,800c{{m}^{3}}\] \[\therefore \] Volume of wood used \[\text{=External volume - Internal volume}\] \[\text{=40,800-34,048=6752c}{{\text{m}}^{3}}\]
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