Directions (1-5): Find the value of ‘?’ in the given number series.
1. 2, 28, 252, 1008, 3150, 7740, ? (5)
- (1) 38697
- (2) 17306
- (3) 32704
- (4) 16758
- (5) 16856
2. 15, 25, 40, 130, ?, 2560 (5)
- (1) 500
- (2) 520
- (3) 490
- (4) 480
- (5) None of these
3. 124, 112, 176, 420, 1488, ? (2)
- (1) 8568
- (2) 7140
- (3) 5712
- (4) 6150
- (5) None of these
4. 8484, 4248, 2112, 1074, 513, ? (5)
- (1) 201
- (2) 280.5
- (3) 256.5
- (4) 171
- (5) None of these
5. 6, 13, 38, ?, 532, 2675 (1)
- (1) 129
- (2) 123
- (3) 172
- (4) 164
- (5) None of these