Directions (1-5): In the following number series, a wrong number is given. Find out that wrong number.
1. 2 11 38 197 1172 8227 65806 (4)
- (1) 11
- (2) 38
- (3) 197
- (4) 1172
- (5) 8227
2. 16 19 21 30 46 71 107 (1)
- (1) 19
- (2) 21
- (3) 30
- (4) 46
- (5) 71
3. 7 9 16 25 41 68 107 173 (4)
- (1) 107
- (2) 16
- (3) 41
- (4) 68
- (5) 25
4. 4 2 3.5 7.5 26.25 118.125 (3)
- (1) 118.125
- (2) 26.25
- (3) 3.5
- (4) 2
- (5) 7.5
5. 16 4 2 1.5 1.75 1.875 (2)
- (1) 1.875
- (2) 1.75
- (3) 1.5
- (4) 2
- (5) 4