Question
8, 20, 48, 108, 232, 482
Find the wrong number in the series:Solution
8 × 2 + 4 = 20 20 × 2 + 8 = 48 48 × 2 + 12 = 108 108 × 2 + 16 = 232 232 × 2 + 20 = 484
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