1.Odd one out: 47, 83, 37, 102
478337102
2.Odd one out: 15, 64, 121, 16
156412116
3.Odd one out: 87, 13, 47, 19
87134719
4.Odd one out: 55, 73, 13, 71
55731371
5.Odd one out: 105, 42, 56, 5
10542565
6.Odd one out: 93, 137, 97, 31
931379731
7.Odd one out: 31, 11, 89, 46
31118946
8.Odd one out: 77, 112, 8, 133
771128133
9.Odd one out: 29, 97, 6, 31
2997631
10.Odd one out: 29, 103, 142, 67
2910314267
11.Odd one out: 101, 31, 20, 109
1013120109
12.Odd one out: 139, 92, 47, 43
139924743
13.Odd one out: 134, 59, 11, 113
1345911113
14.Odd one out: 78, 3, 23, 2
783232
15.Odd one out: 9, 121, 104, 144
9121104144