Solution
Here we have to multiply abc by 1002.
Then we have to positions the digits. We can able to position the digits by comparing the other digits.
In ones place, we have c
In the tens we have 7. in ab007c
By comparing the digits, we get
c = 9
b = 3
a = 5
Therefore, the 3-digit number is 539.
The answer is 539.
Here the resultant a, b, c stands for any digits.