Question
If in ‘54627633’ we add 2 to all the even digits
and subtract 1 from odd digits then what is the sum of the digits which is 3rd from the left end and 4 th from the right end of the number thus formed?Solution
5Â Â Â Â Â Â Â Â Â 4Â 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 6Â Â Â Â Â Â Â Â Â 3Â Â Â Â Â Â Â Â Â 3 4Â Â Â Â Â Â Â Â Â 6Â Â Â Â Â Â Â Â Â 8Â Â Â Â Â Â Â Â Â 4Â Â Â Â Â Â Â Â Â 6Â Â Â Â Â Â Â Â Â 8Â Â Â Â Â Â Â Â Â 2Â Â Â Â Â Â Â Â Â 2Â Â Â Â Â Â Â Â Â Required sum = 8 + 6 = 14.
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