Correct option is B
Number: 9368547
Logic:
Even digit → +1
Odd digit → –2
Original → New:
9 (odd) → 9 – 2 = 7
3 (odd) → 3 – 2 = 1
6 (even) → 6 + 1 = 7
8 (even) → 8 + 1 = 9
5 (odd) → 5 – 2 = 3
4 (even) → 4 + 1 = 5
7 (odd) → 7 – 2 = 5
New number formed: 7179355
Third from left = 7
Third from right = 3
Sum = 7 + 3 = 10