The sum of the number of any two digits and the new number formed by the change of place is 110. If the difference is 4 , then that number is.
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digit at one's place= x:: digit at tens place=y number= 10y+x:::: reversed number=》10x+y:::: 1st condition=10y+x+10x+y=110;;;; or 11x+11y=110:::: or x+y=10 ;;;;; 2nd condition= x_y=6 comparing 1st &2nd:;;; ;we get x=8 & y= 2 :, required number=28
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