A) After 3 months
B) After 4 months
C) After 6 months
D) after \[2\frac{1}{2}\]months
Correct Answer: A
Solution :
[a] Let B joined after x months. Then, \[4500\times 12:3000\,\,(12-\,x)=2:1\] Ratio of their investments \[=\frac{4500\times 12}{3000\,\,(12-x)}=\frac{2}{1}\] \[\Rightarrow \,\,\,x=3\]You need to login to perform this action.
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