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6, 13, 28, 59, ?, 249

A124

B122

C120

D118

Answer:

B. 122

Read Explanation:

→ (6 × 2 + 1) = 13 → (13 × 2 + 2) = 28 → (28 × 2 + 3) = 59 → (59 × 2 + 4) = 122 → (122 × 2 + 5) = 249

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