Directions (Q.6-10): What should come in place of question mark (?) in the following number series?
1. 8, 7, 11, 12, 14, 17, 17, 22, ? (2)
- 1. 27
- 2. 20
- 3. 22
- 4. 24
- 5. 25
2. 11, 29, 83, 245, 731, ? (2)
- 1. 2193
- 2. 2189
- 3. 2139
- 4. 2389
- 5. 2219
3. 3, 8, 20, 46, 100, 210, ? (4)
- 1. 436
- 2. 438
- 3. 416
- 4. 432
- 5. 430
4. 5, 7, 17, 55, 225, 1131, ? (5)
- 1. 6973
- 2. 6379
- 3. 7639
- 4. 7369
- 5. 6793
5. 1, 5, 14, 30, 55, 91, ? ( 2)
- 1. 128
- 2. 140
- 3. 135
- 4. 138
- 5. 142
