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    Question

    β€˜A’ and β€˜B’ started a business by investing Rs.

    β€˜y’ and Rs. β€˜y + 300’, respectively. If 10 months later the ratio of profit shares of β€˜A’ and β€˜B’ was 3:4, respectively, then find the amount (initially) invested by β€˜B’.
    A Rs.1,250 Correct Answer Incorrect Answer
    B Rs.1,800 Correct Answer Incorrect Answer
    C Rs.2,200 Correct Answer Incorrect Answer
    D Rs.1,200 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ; [(10 Γ— y)/{(y + 300) Γ— 10}] = (3/4) Or, (10y Γ— 4) = 30 Γ— (y + 300) Or, 40y = 30y + 9000 Or, 10y = 9000 So, y = 900 So, initial investment made by β€˜B’ = 900 + 300 = Rs. 1,200

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