Question
Each even digit in the number 8795342 is replaced by the
next higher digit and each odd digit is replaced by the previous lower digit and the digits obtained are rearranged in ascending order. Which of the following will be the third from the left end after the rearrangement?Solution
Given number- 8 7 9 5 3 4 2
After change - 9 6 8 4 2 5 3
2 3 4 5 6 8 9
'4' is third from the left end after the rearrangement?
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