If 2 is added to each odd digit and 2 is subtracted from each even digit in the number 5163748, what will be the sum of the highest and lowest digit in the new number thus formed?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 11.
If 2 is added to each odd digit and 2 is subtracted from each even digit in the number 5163748,
5163748 → 7345926
Thus, the sum of the highest and lowest digit = 9 + 2 = 11