Question
In the given number 642516127, one is added to all the
even digits and one is subtracted from all the odd digits, then what is the sum of all the digits that are not repeated after the re-arrangement?Solution
6Â Â Â Â Â Â Â Â Â 4Â Â Â Â Â Â Â Â Â 2Â Â Â Â Â Â Â Â Â 5Â Â Â Â Â Â Â Â Â 1Â Â Â Â Â Â Â Â Â 6Â Â Â Â Â Â Â Â Â 1Â Â Â Â Â Â Â Â Â 2Â Â Â Â Â Â Â Â Â 7 7Â Â Â Â Â Â Â Â Â 5Â Â Â Â Â Â Â Â Â 3Â Â Â Â Â Â Â Â Â 4Â Â Â Â Â Â Â Â Â 0Â Â Â Â Â Â Â Â Â 7Â Â Â Â Â Â Â Â Â 0Â Â Â Â Â Â Â Â Â 3Â Â Â Â Â Â Â Â Â 6 Required sum = 5 + 4 + 0 + 6 = 15.
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