Question : Directions: Study the given pattern carefully and select the number that can replace the question mark (?) in it.
| 9 | 8 | 12 |
| 6 | 3 | 8 |
| 45 | ? | 80 |
Option 1: 60
Option 2: 50
Option 3: 55
Option 4: 75
Correct Answer: 55
Solution : Given:
| 9 | 8 | 12 |
| 6 | 3 | 8 |
| 45 | ? | 80 |
The pattern can be observed running vertically down the columns.
Column 1: (9)2 – (6)2 = 81 – 36 = 45
Column 3: (12)2 – (8)2 = 144 – 64 = 80
Column 2: (8)2 – (3)2 = 64 – 9 = 55
So, 55 is the missing number. Hence, the third option is correct.
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Option 1: 192
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