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The correct answer is A
21, 37, 73, 137, ?, 381
18, 10, 12, 21, ?, 120
2, 13, 27, 44, ?, 87
30, 43, 58, 75, 94, ?
13, 41, 69, ?, 125, 153
17 21 51 169 701 ?
44, 42, 46, 38, 54, ?
78, 88, 100, 114, ?, 148
7 12 34 117 ? 2465 14820
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