M Madan π Tutor III β 7.44K Points π Reasoning Q. Complete the series: 3, 7, 15, 31, 63, (…..) (A) 92 (B) 115 (C) 117 (D) 127 ποΈ Show Answer π Share β‘Menu β Correct Answer: (D) 127 You must be Logged in to update hint/solution π¬ Discussion π¬ Comment