Looking at the differences between consecutive terms:
Now, let's continue the pattern:
So, 24 + 6 = 30.
Let's check the next differences:
Thus, the complete series is: 11, 15, 17, 24, 30, 65, 101.
The pattern is:
30 → 18 (−12)
18 → 15 (−3)
15 → 7 (−8)
7 → 4 (−3)
The subtraction alternates with a larger number and −3:
−12, −3, −8, −3
So, the next number is:
7 − 3 = 4
Last verified on 11-07-2026
1², 2², 3², 4², 5²
1, 4, 9, 16, 25
Last verified on 07-10-2026
Series: 2, 5, 10, 17, 26, 37, 50, 64
(1 × 1) + 1 = 2
(2 × 2) + 1 = 5
(3 × 3) + 1 = 10
(4 × 4) + 1 = 17
(5 × 5) + 1 = 26
(6 × 6) + 1 = 37
(7 × 7) + 1 = 50
(8 × 8) + 1 = 65 (not 64)
Odd one: 64
Last verified on 11-11-2026
2 + 3 = 5
5 + 7 = 12
12 + 11 = 23
23 + 15 = 38
38 + 19 = 57
57 + 23 = 80
Last verified on 31-03-2026
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