What comes next in the sequence 6, 14, 34, 72, ?

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A 144
B 134
C 128
D 136

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Answer: B. 134

Differences: 8, 20, 38. Differences of these: 12, 18 (increasing by 6), so the next is 24. Next difference = 38 + 24 = 62, so the next term = 72 + 62 = 134.

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What comes next in the sequence 6, 14, 34, 72, ?

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