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    Question

    The income of β€˜R’ is thrice more than that of

    β€˜S’. The expenditure of β€˜R’ is Rs. 3600, which is twice that of β€˜S’. If the savings of β€˜R’ is 7 times that of β€˜S’, then find the income of β€˜R’.
    A Rs.14020 Correct Answer Incorrect Answer
    B Rs.12000 Correct Answer Incorrect Answer
    C Rs.13200 Correct Answer Incorrect Answer
    D Rs.14500 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ, Let the income of β€˜S’ be Rs. β€˜x’ Therefore, income of β€˜R’ = x + 3x = Rs. 4x Expenditure of β€˜S’ = 3600/2 = Rs. 1800 According to the question, 4x – 3600 = 7 Γ— (x – 1800) Or, 4x – 3600 = 7x – 12600 Or, 3x = 9000 Or, x = 3000 Therefore, income of β€˜R’ = 4x = Rs. 12000

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