Question : Direction: In each of the following question, select the missing number from the given responses.
| 8 | 12 | 13 |
| 6 | 5 | 10 |
| 2 | 8 | ? |
| 4 | 15 | 18 |
Option 1: 15
Option 2: 5
Option 3: 6
Option 4: 3
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Correct Answer: 15
Solution : Given:
| 8 | 12 | 13 |
| 6 | 5 | 10 |
| 2 | 8 | ? |
| 4 | 15 | 18 |
In the first column, 8 – 6 = 2 → 2 + 2 = 4
In the second column, 12 – 5 = 7 → 7 + 8 = 15
In the third column, 13 – 10 = 3 → 18 – 3 = 15
So, the missing number is 15 .
Hence, first option is correct.
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