2, 5, 9, 19, 37, ? ক 75 খ 76 গ 78 ঘ 73 2, 5, 9, 19, 37, ? সঠিক উত্তর 75 Here, 2 × 2 + 1 = 5 5 × 2 - 1 = 9 9 × 2 + 1 = 19 19 × 2 - 1 = 37 37 × 2 + 1 = 75 Bissoy MCQ Team Jun 09, 2023 গণিত Bangladesh Bank Bangladesh Bank - Officer(Cash) - 2016
