Question : Directions: Select the missing number from the given responses.
| 7 | 14 | 19 |
| 6 | 12 | 17 |
| 5 | 10 | ? |
Option 1: 20
Option 2: 18
Option 3: 15
Option 4: 16
Correct Answer: 15
Solution : The second row is the twice of the first row and the third row is five added to the twice of the second row.
In the first row; 7 × 2 = 14→14 + 5 = 19
In the second row; 6 × 2 = 12→12 + 5 = 17
Similarly, in the third row; 5 × 2 = 10→10 + 5 = 15
So, the missing number is 15. Hence, the third option is correct.
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