Direction: Find the wrong number in the following series : 13,24, 29, 39, 44, 54, 61, 69
Direction: Find the wrong number in the following series : 16,16, 17, 21, 27, 46, 71
Direction: Find the wrong number in the following series : 2,8, 3, 27, 4, 64, 5, 225
Direction: Find the wrong number in the following series : 20,40, 200, 400, 2000, 4000, 8000
Direction: Find the wrong number in the following series : 25,36, 49, 81, 121, 169, 225
Direction: Find the wrong number in the following series : 5,11,23,47,96
Direction: Find the wrong number in the following series : 5,27, 61, 122, 213, 340, 509
Direction: Find the wrong number in the following series : 6,14, 31, 64, 137, 280
Direction: Find the wrong number in the following series : 62,46, 34, 24, 16, 10
Direction: Find the wrong number in the following series : 8,16, 24, 40, 62, 104, 168