The sum of the digits of atwo digit number is11. The number obtained by interchanging the digits exceeds the origional number by 27.find the original number
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x+y=11... 10x+y-10y-x=27... ..9x-9y=27... x-y=3..by using elimination mehod.. we get y=4 and x =7..
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the original number is 47. Hope this helps.
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