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  1. Two men Amar and Bhavan have the ratio of their monthly incomes as 6:5. The ratio of their monthly expenditures is 3:2. If Bhavan saves one-fourth of his income, find the ratio of their monthly savings?
    2. A.
    3:5
    B.
    3:10
    C.
    3:8
    D.
    1:2
    E.
    None of these

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    Answer : Option B

    Explanation :

    Let the monthly incomes of Amar and Bhavan be 6x and 5x respectively.
    Let the monthly expenditures of Amar and Bhavan be 3y and 2y respectively.
    Savings of Bhavan every month = 1/4 (5x)
    =(his income) - (his expenditure) = 5x - 2y
    => 5x = 20x - 8y => y = 15x/8
    Ratio of savings of Amar and Bhavan
    = 6x - 3y : 1/4 (5x) = 6x - 3(15x/8) : 5x/4
    = 3x/8 : 5x/4 => 3:10

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