Question
A and B started a retail store with initial investments
in the ratio 5:6 and their annual profits were in the ratio 2:3. If A invested the money for 8 months, then for how many months did B invest his money?ÂSolution
Suppose A invested Rs. 5x for 8 months and B invested 6x for y months then, ⇒  (5x × 8)/(6x × y) = 2/3 ⇒  y = (40x × 3)/(6x × 2) ⇒  y = 120x/12x ⇒  y = 10
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