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    Question

    A puts in Rs. (P + 600). After 9 months, B invests Rs.

    5P. If the ratio of B’s share to A’s share is 5:6, compute (P − 400).
    A 4,200 Correct Answer Incorrect Answer
    B 8,500 Correct Answer Incorrect Answer
    C 3,750 Correct Answer Incorrect Answer
    D None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    Ratio of profit share of A and B respectively:

    = [(P + 600) × 12] : [5P × 3]

    = (12P + 7200) : 15P

    = (4P + 2400) : 5P (dividing by 3)

    ATQ;

    (4P + 2400) : 5P = 6 : 5

    Or, 4P + 2400 = 6P

    Or, 2P = 2400

    Or, P = 1200

    Required value = 1200 − 400 = 800

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