A) 7 days
B) 6 days
C) 5 days
D) 4 days
Correct Answer: C
Solution :
\[\overset{\mathbf{Soldiers}}{\mathop{{}_{160}^{100}\mathop{\uparrow }_{{}}^{{}}}}\,\] \[\overset{\mathbf{Days}}{\mathop{{}_{x}^{8}\mathop{\downarrow }_{{}}^{{}}}}\,\] \[\Rightarrow \] \[\frac{160}{100}=\frac{8}{x}\] \[\Rightarrow \] \[x=\frac{8\times 100}{160}=5\,days\]
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