Find the next number in the series. 3, 11, 25, 45, ..
2025
Find the next number in the series.
3, 11, 25, 45, ..
- A.
65
- B.
71
- C.
61
- D.
75
Attempted by 101 students.
Show answer & explanation
Correct answer: B
Answer: 71
Explanation:
Compute the differences between consecutive terms: 11 - 3 = 8, 25 - 11 = 14, 45 - 25 = 20.
The differences increase by 6 each time (8 → 14 → 20), so the next difference is 20 + 6 = 26.
Add this difference to the last term: 45 + 26 = 71. Therefore, the next number in the series is 71.