Question
In the given number ‘753627238’, 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
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 6Â Â Â Â Â Â Â Â Â 2Â Â Â Â Â Â Â Â Â 7Â Â Â Â Â Â Â Â Â 2Â Â Â Â Â Â Â Â Â 3Â Â Â Â Â Â Â Â Â 8 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 7Â Â Â Â Â Â Â Â Â 3Â Â Â Â Â Â Â Â Â 6Â Â Â Â Â Â Â Â Â 3Â Â Â Â Â Â Â Â Â 2Â Â Â Â Â Â Â Â Â 9 Required sum = 4 + 7 + 9 = 20.
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