A) 40 days
B) 60 days
C) 50 days
D) 45 days
Correct Answer: C
Solution :
\[A:B={{D}_{2}}:{{D}_{1}}\] \[\Rightarrow \]\[100:140={{D}_{2}}:70\] \[\Rightarrow \]\[100\times 70=140\times {{D}_{2}}\] \[\Rightarrow \]\[{{D}_{2}}=\frac{100\times 70}{140}=50\] daysYou need to login to perform this action.
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