The correct option is
A 69,432,571
To compare
69,432,571 and
69,432,517, we align the digits by their corresponding place value.
![](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1236504/original_20.PNG)
Now, as per the diagram, while comparing the digits from left to right, digits at Tens place differ.
As we know, in this process, if digits differ with one another at the same place then the number with bigger digit will be greater than the other number.
69,432,571 has greater digit 7 at Tens place, therefore it will be greater.
(a) is the correct option.