Logical Reasoning - Number and Letter Series
42. Fill in the missing number in the following arrangement based on some principle.
| 8 | 6 | 4 |
| 3 | ? | 7 |
| 14 | 16 | 18 |
- Option : B
- Explanation : In first row, it is −2; in second row, it is +2, and in third row, it is +2.
43. Find the missing number in the following series.
8, 24, 12, ?, 18, 54
- Option : C
- Explanation : Multiply the first by 3 and divide the number so obtained by 2. This is to be done alternatively for all other numbers
45. Find the missing number in the following series.
28, 33, 31, 36, ?, 39
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