Study the given pattern carefully and select the number that can replace the question mark (?) in it.
| 13 | 50 | 8 |
| 12 | 39 | 5 |
| 15 | 51 | ? |
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 7.
The logic used here is: 3rd number = (2nd number - (1st number × 2)) ÷ 3
1st row: (50 - (13 × 2)) ÷ 3 = 8
2nd row: (39 - (12 × 2)) ÷ 3 = 5
3rd row: (51 - (15 × 2)) ÷ 3 = 7