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To identify the pattern in the series, let's break down each term: 1. B7K 2. KB7 It appears that the pattern involves shifting the positions of the letters and the number within the term. The letter B is moved to the end, while the number and the letter after it are swapped. So, following this pattern: 3. If we move the letter K to the end, we get 7KB. Therefore, the next term in the series is "7KB," which corresponds to option 1
8, ?, 29, 57, 113, 225
362 452 550 656 770 892 ?
...37, 57, 82, ?, 147, 187
10, 18, 53, 115, 204, ?
312, 302, 282, ?, 212, 162
178 168 148 ? 78 28
12, 33, 45, 78, 123, 201, ?
24 12 18 ? 157.5 708.75 3,898.125
126 56 ? 12 10 2
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