Question
11, 9, 15, 41 ,157, 789
The following series are based on a specific pattern. In these series, one number is wrong. Find the odd one.Solution
11 × 1 – 2 = 9 9 × 2 – 3 = 15 15 × 3 – 4 = 41 41 × 4 – 5 = 159 159 × 5 – 6 = 789
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