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    Question

    Monthly savings of β€˜Q’ is 25% more than that of

    β€˜P’ and is 52% less than monthly income of β€˜P’. Monthly expenditure of β€˜Q’ is Rs. 4160 and ratio of monthly income of β€˜P’ and β€˜Q’ is 15:28, respectively. Find monthly expenditure of β€˜P’. MT
    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 β€˜P’ and β€˜Q’ be Rs. β€˜15x’ and Rs. β€˜28x’, respectively Monthly savings of β€˜Q’ = 48% Γ— 15x = Rs. 7.2x Monthly savings of β€˜P’ = {7.2/1.25} = Rs. 5.76x Monthly expenditure of β€˜P’ = 15x – 5.76x = Rs. 9.24x Monthly expenditure of β€˜Q’ = 28x – 7.2x = Rs. 20.8x Or, 20.8x = 4160 Or, x = 4160/20.8 Or, x = 200 Monthly expenditure of β€˜P’ = 9.24 Γ— 200 = Rs. 1848

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