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7 November, 15:41

a number consist of 2 digits the digit in tens place is twice unit place the no. formed by reversing the digit is 27 less than original no. find the original

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  1. 7 November, 16:09
    0
    63

    Step-by-step explanation:

    If x units, then 2x tens

    Number is: 2x (10) + x = 21x

    Reversing digits:

    2x units and x tens,

    Number is: x (10) + 2x = 12x

    21x - 12x = 27

    9x = 27

    x = 27/9 = 3

    Original number: 21x = 21 (3) = 63
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