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 1 step forward. The letters are in in alphabetical order.
The letters move 5, 4, 3, ... steps backward.
The letters are alternate and the numbers indicate their position in the alphabet from the beginning.
Because the letters are the same, concentrate on the number series, which is a simple 2, 3, 4, 5, 6 series, and follows each letter in order.
This is an alternating series in alphabetical order. The middle letters follow the order ABCDE. The first and third letters are alphabetical beginning with J. The third letter is repeated as a first letter in each subsequent three-letter segment.
The given number series is 2, 3, 7, 16, 32, ?
Hence, the next number in the given number series is 57.
The given series is 9 81 ? 6561 59049
It follows a pattern that
9
81 = 9 x 9
729 = 9 x 9 x 9
6561 = 9 x 9 x 9 x 9
59049 = 9 x 9 x 9 x 9 x 9
Hence, the missing number in the series is 729.
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