Correct option is A
Option A (23 → 34 → 49):
34 - 23 = 11
49 - 34 = 15
(Difference between consecutive numbers is increasing by 4)
Option B (47 → 58 → 71):
58 - 47 = 11
71 - 58 = 13
(Difference between consecutive numbers is increasing by 2)
Option C (30 → 41 → 54):
41 - 30 = 11
54 - 41 = 13
(Difference between consecutive numbers is increasing by 2)
Option D (41 → 52 → 65):
52 - 41 = 11
65 - 52 = 13
(Difference between consecutive numbers is increasing by 2)
Final Correct Option A (23 → 34 → 49):