Question

How many such digits are there in the number 836257419, each of which is as far away from the beginning of the number as when the digits are rearranged in ascending order within the number?

• A. None
• B. One
• C. Two
• D. Three
• E. More than three

Answer 1

The correct option is C Two

Given number: 8 3 6 2 5 7 4 1 9
Number arranged in descending order: 1 2 3 4 5 6 7 8 9
Clearly, digits 5 and 9 are as far away from the beginning of the numbers as when the digits are arranged in ascending order.
There are two such digits.