A) After 3 months
B) After 4 months[c]
C) After 6 months
D) After \[2\frac{1}{2}\] months
Correct Answer: A
Solution :
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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