Think Next in Series

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?




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You are given with the following sum. Each of the letters can be decoded as a digit. If we tell you that D = 5, then can you solve it entirely?

DONALD
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A word I know,
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2. 2nd row contains 12 matchsticks
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Artificial Intelligence has crushed all human records in the puzzle game “2048,” achieving a high score of 839,732 and beating the game in only 973 moves without using any undo.