Study the given pattern carefully and select the number that can replace the question mark (?) in it.
| 18 | 21 | 24 |
| 24 | 11 | 12 |
| 12 | ? | 16 |
| 16 | 22 | 14 |
Show answer & explanation
Correct answer: A
Explanation
The correct answer is Option 1 i.e 42.
Column 1: 18 + 6 = 24,
24 - 12 = 12,
12 + 4 = 16,
Column 3: 24 - 12 = 12
12 + 4 = 16
16 - 2 = 14
Column 2: 21 × 2 = 42
11 × 2 = 22