Question
If in ‘65731742’ 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
6 5 7 3 1 7 4 2
8 4 6 2 0 6 6 4
Required sum = 6 + 0 = 6.
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