Question

    MT

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

    ‘P’ and is 55% less than monthly income of ‘P’. Monthly expenditure of ‘Q’ is Rs. 6100 and ratio of monthly income of ‘P’ and ‘Q’ is 15:22, respectively. Find monthly expenditure of ‘P’.
    A Rs. 3840 Correct Answer Incorrect Answer
    B Rs. 2430 Correct Answer Incorrect Answer
    C Rs. 2070 Correct Answer Incorrect Answer
    D Rs. 2775 Correct Answer Incorrect Answer
    E Rs. 2800 Correct Answer Incorrect Answer

    Solution

    Let monthly income of ‘P’ and ‘Q’ be Rs. ‘15x’ and Rs. ‘22x’, respectively Monthly savings of ‘Q’ = 45% × 15x = Rs. 6.75x Monthly savings of ‘P’ = {6.75/1.25} = Rs. 5.4x Monthly expenditure of ‘P’ = 15x – 5.4x = Rs. 9.6x Monthly expenditure of ‘Q’ = 22x – 6.75x = Rs. 15.25x Or, 15.25x = 6100 Or, x = 6100/15.25 Or, x = 400 Monthly expenditure of ‘P’ = 9.6 × 400 = Rs. 3840

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