Question
12, 27, ?, 113, 141, 285,
313 What will come in place of the question mark (?) in the following series?Solution
ATQ, 12 × 2 + 3 = 27 27 + 28 = 55 55 × 2 + 3 = 113 113 + 28 = 141 141 × 2 + 3 = 285 285 + 28 = 313
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