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Sum of the digit of two …

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Sum of the digit of two digit number is9.when we interchange the digit it is found that the resulting new number is greater then the original number is 27.what is two digit number

    • Posted by Rohit Choudhary 6 years, 5 months ago

    CBSE > Class 10 > Mathematics
    • 1 answers

    Urja Patwary 6 years, 5 months ago

    x+y=9_. Eq1 10x+y+27=10y+x 9x+27=9y x+3=y_ eq2 From eq1&2 x+3+x=9 2x+3=9 2x=6 x=3 y=6 10x+y=36

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