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    Question

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

    with Rs 7500 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. 2000 Correct Answer Incorrect Answer
    B Rs. 8000 Correct Answer Incorrect Answer
    C Rs. 15000 Correct Answer Incorrect Answer
    D Rs. 8400 Correct Answer Incorrect Answer

    Solution

    Profit of B/Total Profit = 3/7 = ((X + 7500)×6)/(X × 12 + (X + 7500) × 6) 9X + 22500 = 7X + 52500 2X = 30000 X = 15000

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