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    Question

    profit would be used to fund a community project, and

    the remaining profit would be distributed according to their investment proportions. If the profit at the end of the year was Rs. 80000 and β€˜Q’ received Rs. 20000, find the value of β€˜s’.
    A 18 Correct Answer Incorrect Answer
    B 25 Correct Answer Incorrect Answer
    C 10 Correct Answer Incorrect Answer
    D 50 Correct Answer Incorrect Answer
    E none of these Correct Answer Incorrect Answer

    Solution

    Ratio of the investments of β€˜P’, β€˜Q’, and β€˜R’ = 24000:28000:32000 = 3:3.5:4 = 6:7:8 (by multiplying each term by 2 to eliminate the decimal). Amount to be divided among them = Rs. {80000 Γ— (100 - s)/100}. According to the question, {80000 Γ— (100 - s)/100} Γ— 7/21 = 20000, Or, 100 – s = 20000 Γ— 100 Γ— 21/7 Γ— 1/80000, Or, 100 – s = 75, Or, s = 25.

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