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    Question

    'A' invested Rs. 9,000 in a business. After 5 months, 'A'

    reduced the investment by Rs. 2,000 and 'B' joined with Rs. 12,000. At the end of 20 months from the beginning, if 'A’s share of the profit was Rs. 10,200, what was 'B’s share?
    A Rs.11,140 Correct Answer Incorrect Answer
    B Rs.10,200 Correct Answer Incorrect Answer
    C Rs.12,240 Correct Answer Incorrect Answer
    D Rs.10,040 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    Effective investment of A = (9000 × 5) + (7000 × 15)

    Effective investment of B = 12000 × 15

    Now,

    Profit sharing ratio of A : B = (9000×5 + 7000×15) : (12000×15)

    = (45000 + 105000) : 180000

    = 150000 : 180000

    = 5 : 6

    So, B’s profit share = (6/5) × 10200 = Rs.12,240

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