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    Question

    The monthly incomes of Pawan, Qureshi, and Ram are in the

    ratio of 4:7:5, while their monthly expenditures are in the ratio of 5:4:8. Pawan earns Rs. 2,800 per month and saves Rs. 800 from his income. Based on this information, determine Ram’s monthly savings.
    A Rs.600 Correct Answer Incorrect Answer
    B Rs.500 Correct Answer Incorrect Answer
    C Rs.350 Correct Answer Incorrect Answer
    D Rs.300 Correct Answer Incorrect Answer

    Solution

    ATQ;
    Let monthly income of ‘Pawan’, ‘Qureshi’ and ‘Ram’ be Rs. ‘4x’, Rs. ‘7x’ and Rs. 5x, respectively.
    ATQ;
    ‘4x’ = 2800
    Or, x = 700
    So, monthly income of ‘Ram’ = ‘5x = 5 × 700 = Rs. 3,500
    Let monthly expenditures of ‘Pawan’, ‘Qureshi’ and ‘Ram’ be Rs. ‘5y’, Rs. ‘4y’ and Rs. ‘8y’, respectively.
    Monthly savings of ‘Pawan’ = Rs. 800
    ATQ,
    (2800 – 5y) = 800
    Or, 5y = 2000
    So, y = 400
    So, monthly expenditure of ‘Ram’ = 8y = 4 × 400 = Rs. 3,200
    Therefore, monthly saving of ‘Ram’ = (3500 – 3200) = Rs. 300

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