A) 3 days
B) 6 days
C) 9 days
D) 12 days
Correct Answer: B
Solution :
\[N={{N}_{0}}{{\left( \frac{1}{2} \right)}^{n}}\] Remaining part, \[={{N}_{0}}-\frac{3}{4}{{N}_{0}}\] \[=\frac{1}{4}{{N}_{0}}\] \[\frac{{{N}_{0}}}{4}={{N}_{0}}{{\left( \frac{1}{2} \right)}^{n}}\] \[{{\left( \frac{1}{2} \right)}^{2}}={{\left( \frac{1}{2} \right)}^{n}}\] \[n=2\] Time = Half year\[\times \]Number of half year \[=3\times 2=6\]daysYou need to login to perform this action.
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