If 2 is added to each odd digit and 1 is subtracted from each even digit in the number 2645783, what will be the sum of the highest and lowest digits in the new number thus formed?
Given:
Number – 2645783
Logic:
Add 2 to each odd digit and subtract 1 from each even digit.
Explanation (applied left to right):
Digits: 2 6 4 5 7 8 3
2 (even) → 2 − 1 = 1
6 (even) → 6 − 1 = 5
4 (even) → 4 − 1 = 3
5 (odd) → 5 + 2 = 7
7 (odd) → 7 + 2 = 9
8 (even) → 8 − 1 = 7
3 (odd) → 3 + 2 = 5
New number = 1537975
Highest digit = 9
Lowest digit = 1
Sum = 9 + 1 = 10
Final Answer:
10
Final Correct Option:
(a) 10
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