Correct option is D
Given number:
8234619
Arrange digits in ascending order
Digits: 8, 2, 3, 4, 6, 1, 9
Ascending order → 1 2 3 4 6 8 9
Count unchanged positions
Unchanged digits are at positions: 2, 3, 4, 6, 9
Total = 5 digits
✅ Final Answer:
D) Five