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    Question

    Monthly savings of ‘Q’ is 25% more than that of

    ‘P’ and is 48% less than monthly income of ‘P’. Monthly expenditure of ‘Q’ is Rs. 4260 and ratio of monthly income of ‘P’ and ‘Q’ is 15:22, respectively. Find monthly expenditure of ‘P’.
    A Rs. 2628 Correct Answer Incorrect Answer
    B Rs. 2550 Correct Answer Incorrect Answer
    C Rs. 2772 Correct Answer Incorrect Answer
    D Rs. 1460 Correct Answer Incorrect Answer
    E Rs. 1848 Correct Answer Incorrect Answer

    Solution

    Let monthly income of ‘P’ and ‘Q’ be Rs. ‘15x’ and Rs. ‘22x’, respectively Monthly savings of ‘Q’ = 52% × 15x = Rs. 7.8x Monthly savings of ‘P’ = {7.8/1.25} = Rs. 6.24x Monthly expenditure of ‘P’ = 15x – 6.24x = Rs. 8.76x Monthly expenditure of ‘Q’ = 22x – 7.8x = Rs. 14.2x Or, 14.2x = 4260 Or, x = 4260/14.2 Or, x = 300 Monthly expenditure of ‘P’ = 8.76 × 300 = Rs. 2628  

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