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    Question

    A invested Rs X in a scheme. After 6 months, B joined

    with Rs 9000 more than that of A. After an year, ratio of profit of B to the total profit was 3: 7. Find the value of X.
    A Rs. 18000 Correct Answer Incorrect Answer
    B Rs. 15000 Correct Answer Incorrect Answer
    C Rs. 11500 Correct Answer Incorrect Answer
    D Rs. 11300 Correct Answer Incorrect Answer

    Solution

    Profit of B/Total Profit = 3/7 = ((X + 9000 )×6)/(X × 12 + (X + 9000 ) × 6) 9X + 27000 = 7X + 63000 2X = 36000 X = 18000

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