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The letters move 1, 2, 3, ... steps forward. The numbers increase by + 3, + 5, + 7, + 9....
The letters are alternate and the numbers indicate their position in the alphabet from the beginning.
The letters are alternate and the numbers indicate their position in the alphabet from the beginning.
The first numbers in the terms follow the sequence × 2, × 3, × 4. The letter moves three steps forward. The last numbers follow the sequence + 2, + 4, + 6.
The first letter moves two steps forward. The last letter moves one step backward. The number series runs as follows:
1 × 1 + 1 = 2
2 × 2 + 2 = 6
6 × 3 + 3 = 21
21 × 4 + 4 = 88.
The letters move 2, 2, 3, 3, 4, 4, ... steps forward.
The first letter moves two steps forward. The second letter moves 2 steps forward. The third letter moves one step backward.
The first letter moves three steps forward. The second letter moves two steps forward. The third letter moves three steps forward.
The series consists of two groups (M, O, R, V) and (N, L, I, ?). The letters in the first group move 2, 3, 4, ... steps forward. The letters in the second group move 2, 3, 4, ... steps backward.
The first letter repeats once and subsequently moves one step forward. The second letter moves one step forward. The third letter moves one step backward.
The letters are in alphabetical order. The gap between the last letter and the first letter of the next term keeps increasing in 1, 2, 3, ... steps.
The letters move 5, 4, 3, ... steps backward.
The first letter moves two steps forward. The second letter moves 4 steps backward. The third letter moves one step forward.
Each term consists of consecutive letters slightly jumbled up. There is a gap of three letters between the first letter and the last letter of the next term.
There is a gap of four letters between the first and second, the second and third letters. There is a gap of four letters between the last letter and the first letter of the next term in alphanumerical series.
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