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11 October, 01:07

The present age of nitin is two times the present age of his sister pooja. After 7 years their ages will add to 68 years. Find their ages

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  1. 11 October, 02:46
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    N=2p

    (n+7) + (p+7) = 68

    2p + 7 + p + 7 = 68

    3p + 14 = 68

    3p = 68 - 14 = 54

    p=54/3=18

    n=2p=36

    Check: (18+7) + (36+7) = 25+43=68 good
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