Question
8, 7, 12, 35, 128,
635 The following series are based on a specific pattern. In these series, one number is wrong. Find the odd one.Solution
8 × 1 – 1 = 7 7 × 2 – 2 = 12 12 × 3 – 3 = 33 33 × 4 – 4 = 128 128 × 5 – 5 = 635
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