Question : Directions: Find the missing number from the given responses in the following question.
| 6 | 9 | 12 |
| 36 | 81 | 144 |
| 24 | 63 | ? |
Option 1: 120
Option 2: 80
Option 3: 94
Option 4: 102
Correct Answer: 120
Solution : Square the numbers of the first row to get the numbers in the second row. Subtract 2 in the number given in the first row and multiply the resultant by the number given in the first row to get the number of the third row.
In coulmn one: 6→6
2
= (36); 6 × (6 – 2) = 24
In column two: 9→9
2
= (81); 9 × (9 – 2) = 63
Similarly, follow the same pattern in column three: 12→12
2
= (144); 12 × (12 – 2) = 120
So, 120 is the required missing number. Hence, the first option is correct.
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