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This problem trains for: SAT-I, AMC-8, GMAT.

A five digit number is divisible by 125. One of its last three digits is 7. What is the sum of all the possibilities for the other two of the last three digits?

If the number is divisible by 125 then the number formed by its last three digits is also divisible by 125.

The only possibilities are:

equation

of which only three include the digit 7. They are:

equation

and the sum of all the digits other than 7 is:

equation