Lets let the one digit/ ten digit = "a"
Ten thousand digit must be 4 or 5 (between 40001 and 59999)
Ten thousand digit = 3(a+a) -1
= 3(2a) -1
4= 6a -1
5 = 6a
5/6 = a
a= not an integer
Thousand digit = Hundreds digit / 2
Thousand digit + Hundreds digit = 9
Thousand digit = 3
Hundreds digit = 6
Answer = 53611
yeah........ answer= 53611
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