IBPS PO 2020 · Question 82 of 99
Number Series
The series follows the following pattern: 4 x 1 + 1 = 5; 5 x 2 + 1 = 11; 11 x 3 + 1 = 34; 34 x 4 + 1 = 137; 137 x 5 + 1 = 686. Therefore, the wrong number is 684.
Source: IBPS PO 10-Oct-2020 Prelims Memory Based Paper Shift 1 (Prepp) · memory-based
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