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    Question

    β€˜J’, β€˜K’, and β€˜L’ started a business with

    initial investments of Rs. β€˜5x + 700’, Rs. β€˜6x + 600’, and Rs. β€˜3x + 400’ respectively. After 1 year, β€˜J’ invested Rs. 250 more, β€˜K’ added Rs. 300 more, and β€˜L’ invested Rs. 200 more. If the total profit earned at the end of 2 years is Rs. 16800, find the profit share of β€˜K’.
    A Rs.8000 Correct Answer Incorrect Answer
    B Rs.5600 Correct Answer Incorrect Answer
    C Rs.7200 Correct Answer Incorrect Answer
    D Rs.8500 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ, Ratio of profit share of β€˜J’, β€˜K’, and β€˜L’, respectively = [(5x + 700) Γ— 2 + 250]:[(6x + 600) Γ— 2 + 300]:[(3x + 400) Γ— 2 + 200] = (5x + 700 + 125):(6x + 600 + 150):(3x + 400 + 100) = (5x + 825):(6x + 750):(3x + 500) Desired profit = (6x + 750)/(14x + 2075) Γ— 16800 = 6/14 Γ— 16800 = Rs. 7200

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