Question

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

    with Rs 4000 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. 8500 Correct Answer Incorrect Answer
    B Rs. 8000 Correct Answer Incorrect Answer
    C Rs. 8570 Correct Answer Incorrect Answer
    D Rs. 8400 Correct Answer Incorrect Answer

    Solution

    Profit of B/Total Profit = 3/7 = ((X+4000)×6)/(X × 12 + (X+4000) × 6) 7X + 28000 = 9X + 12000 2X = 16000 X = 8000

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