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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