A and B start a business with initial investment in the ratio 12 : 11 and their annual profit were is the ratio 4 : 1, If A invested the money for 11 months, B invested for:
Solution
Suppose B invested the money for N months then the ratio of investment $= \dfrac{(11)}{11N} = \dfrac{12}{N}$
$\therefore \dfrac{12}{N} = \dfrac{14}{1} \Rightarrow N = 3$ months