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    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 6 months, then for how many months did B invest his money?┬а
    A 10 Correct Answer Incorrect Answer
    B 8 Correct Answer Incorrect Answer
    C 7.5 Correct Answer Incorrect Answer
    D 6 Correct Answer Incorrect Answer
    E 7 Correct Answer Incorrect Answer

    Solution

    Suppose A invested Rs. 5x for 6 months and B invested 6x for y months then, тЗТ ┬а(5x ├Ч 6)/(6x ├Ч y) = 2/3 тЗТ ┬аy = (30x ├Ч 3)/(6x ├Ч 2) тЗТ ┬аy = 90x/12x тЗТ ┬аy = 7.5

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