Correct option is A
Given:
Numbers: 219, 539, 568, 670, 131
Facts & Explanation (Operation-wise):
Highest number: 670 → second digit = 7
Lowest number: 131 → second digit = 3
Now,
→ (second digit of lowest) − (second digit of highest)
= 3 − 7 = −4
Final Answer: −4
Final Correct Option: (a)