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  1. Ratio of the earnings of A and B is 4:7. If the earnings of A increases by 50% and those of B decreased by 25%, the new ratio of their earnings becomes 8:7. What are A's earnings?
    2. A.
    Rs. 21,000
    B.
    Rs. 26,000
    C.
    Rs. 28,000
    D.
    Data inadequate

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    Answer : Option D

    Explanation :

    Let the original earnings of A and B be Rs. 4x and Rs. 7x.

    New earnings of A = 150% 0f Rs. 4x = (150/100 * 4x) = Rs. 6x

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