one digit is four times of other digit in two digit number an adding this number to number formed by replacing its digit sum will be 110 find the number
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let unit digit=x ,ten 's digit=4x . Number=10×4x+x =41x.Number formed by replacing its digit=14x. Now:41x+14x = 110. 55x=110then x=2.numbers are 2 and 8.
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