Study the given pattern carefully and select the number that replaces the question mark (?).
| 14 | 16 | 13 |
| 18 | 6 | ? |
| 12 | 21 | 17 |
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 5.
In every row: 3rd number = (1st number ÷ 2 + 2nd number) - 10
1st row: (14 ÷ 2 + 16 ) - 10 = 13
3rd row: (12 ÷ 2 + 21) - 10 = 17
2nd row : (18 ÷ 2 + 6) - 10 = 5