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
Direction: How many 7 s in the following sequence of numbers are immediately preceded by 6 but not immediately followed by 8 ? 3 4 8 7 6 1 567849675
Direction: How many 8s followed by an even number and preceded by an odd number ? 7,8, 5, 6, 7, 8, 4, 3, 2, 1, 3, 8, 6, 4, 3, 7, 8, 4, 2, 1, 3, 8, 2, 8, 9
Direction: How many 9 are followed by an even number and preceded by an odd number in the following series? 469259339467924894