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  1. The incomes of two persons A and B are in the ratio 3:4. If each saves Rs.100 per month, the ratio of their expenditures is 1:2 . Find their incomes?
    2. A.
    100, 200
    B.
    200, 300
    C.
    150, 200
    D.
    250, 300

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    Answer : Option C

    Explanation :

    The incomes of A and B be 3P and 4P.
    Expenditures = Income - Savings
    (3P - 100) and (4P - 100)
    The ratio of their expenditure = 1:2
    (3P - 100):(4P - 100) = 1:2
    2P = 100 => P = 50
    Their incomes = 150, 200

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