Number Series in CET Type 1
Directions: In the given series, one term is missing and replaced with question mark?. What will come in place of question mark (?) in the given series:
1. 98, 144, 198, ?, 330, 408, 494
A 240 B 256 C 212 D 260 E None of these
2. 7055, 7223, 7393, 7565, ?, 7915
A 7739 B 7839 C 7639 D 7749 E None of these
Correct Option: D
| Series Pattern | Series | |
| 98 | 98 | |
| 98 + 46 | 144 | |
| 144 + 54 | 198 | |
| 198 + 62 | 260 | ✓ |
| 260 + 70 | 330 | |
| 330 + 78 | 408 | |
| 408 + 86 | 494 |
Hence, option D is correct.
Correct Option: A
| Series Pattern | Series | |
| 842 – 1 = 7055 | 7055 | |
| 852 – 2 = 7223 | 7223 | |
| 862 – 3 = 7393 | 7393 | |
| 872 – 4 = 7555 | 7565 | |
| 882 – 5 = 7739 | 7739 | ✓ |
| 892 – 6 = 7915 | 7915 |
Hence, option A is correct.
Number Series in CET Type 2
Find the wrong term in the given series.
1. 11 20 38 74 144 290 578
A 144 B 38 C 290 D 74 E 578
2. 1 8 36 148 586 2388
A 8 B 586 C 2388 D 148 E 36
Correct Option: A
Series Pattern Given Series
11 11 ✓
11 + 9 = 20 20 ✓
20 + 18 = 38 38 ✓
38 + 36 = 74 74 ✓
74 + 72 = 146 144 ✕
146 + 144 = 290 290 ✓
290 + 288 = 578 578 ✓
Hence, option (A) is correct.
Correct Option: B
| Series Pattern | Given Series | |
| 1 | 1 | ✓ |
| 1 × 4 + 4 = 8 | 8 | ✓ |
| 8 × 4 + 4 = 36 | 36 | ✓ |
| 36 × 4 + 4 = 148 | 148 | ✓ |
| 148 × 4 + 4 = 596 | 586 | ✕ |
| 596 × 4 + 4 = 2388 | 2388 | ✓ |
