SOLUTION: my ones digit is one more than my thousands digit.My hundreds digit is one less than my tens digit.The sum of my hundreds digit and my tens digit is 15.The sum of my thousands digi

Let the digits be these 4 blanks to fill in:
_ _ _ _

The only pairs of digits that have sum 15 are {6,9} and {7,8}

Therefore the pair is {7,8} so the number is

_ 7 8 _

The only pairs of digits that have sum 5 are {0,5}, {1,4} and {2,3}.

Therefore the pair is {2,3} so the number is

2 7 8 3

Edwin