Quantitative Aptitude: Number Series Set 1

The following series are based on a particular pattern. Find the odd one out.

1. 28, 38, 56, 119, 308, 875, 2576
A) 38
B) 119
C) 308
D) 875
E) 56

2. 11, 18, 46, 92, 169, 266, 388
A) 266
B) 18
C) 92
D) 169
E) 11

3. 18, 39, 81, 165, 331, 669, 1341
A) 165
B) 331
C) 39
D) 669
E) 1341

4. 520, 264, 136, 72, 40, 20, 16
A) 72
B) 20
C) 264
D) 40
E) 136

5. 9, 24, 43, 123, 261, 542, 1110
A) 123
B) 261
C) 1110
D) 542
E) 24

6. 8, 19, 59, 121, 365, 743, 2201
A) 743
B) 19
C) 59
D) 121
E) 365

7. 6, 28, 58, 122, 222, 366, 562
A) 366
B) 58
C) 122
D) 28
E) None of these

8. 123, 223, 443, 623, 957, 1223, 1683
A) 223
B) 443
C) 957
D) 1223
E) 623

10. 27, 57, 152, 297, 527, 797, 1187
A) 797
B) 297
C) 152
D) 152
E) 1187