Question
If the positions of the first and fifth digits of the
number 83591427 are interchanged, similarly the positions of the second and the sixth digits are interchanged and so on then which of the following will be the second from the right end after the rearrangement.Solution
On changing 1st number with 5th number and so on, the last four numbers will come at 1st-4th positions and first four numbers will come at positions 5th-8th. 8 3 5 9 1 4 2 7 1 4 2 7 8 3 5 9 (after interchanging their places) So, after the rearrangement second digit from the right end is 5.
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