Question
6, 7, 15, 46, 185,
? What will come in place of the question mark (?) in the following series.Solution
ATQ, 6 × 1 + 1 = 7 7 × 2 + 1 = 15 15 × 3 + 1 = 46 46 × 4 + 1 = 185 185 × 5 + 1 = 926
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