A) 7
B) 8
C) 4
D) 6
Correct Answer: C
Solution :
[c] Suppose, B Joined after x month Then B's money was invested for \[(12-\,x)\] months \[\therefore \] According to question \[\frac{64000\times 12}{48000\times (12-\,x)}=\frac{2}{1}\] \[\frac{16}{12-\,x}=\frac{2}{1}\Rightarrow \,\,\,16=24-\,2x\] \[2x=24-\,16=x=4\] Hence, B joined after 4 monthsYou need to login to perform this action.
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