Directions (1-5): What should come in place of question mark (?) in the following number series?
1. 6, 11, 31, 121, 601, ? (3)
- (1) 3600
- (2) 3621
- (3) 3601
- (4) 3611
- (5) None of these
2. 7, 11, 19, 35, 67, ? (2)
- (1) 99
- (2) 131
- (3) 9264
- (4) 137
- (5) None of these
3. 8, 22, 64, 190, 568, ? (1)
- (1) 1702
- (2) 1654
- (3) 1650
- (4) 1706
- (5) None of these
4. 5760, 2880, 960, 240, 48, ? (3)
- (1) 6
- (2) 12
- (3) 8
- (4) 24
- (5) None of these
5. 2, 3, 18, 115, ? (2)
- (1) 584
- (2) 854
- (3) 884
- (4) 654
- (5) None of these