Question : Directions: In the following question, select the missing number from the given responses.
| 25 | 36 | 64 |
| 81 | 9 | 4 |
| 16 | 49 | 100 |
| 18 | ? | 20 |
Option 1: 14
Option 2: 22
Option 3: 16
Option 4: 19
Correct Answer: 16
Solution : Given:
| 25 | 36 | 64 |
| 81 | 9 | 4 |
| 16 | 49 | 100 |
| 18 | ? | 20 |
The pattern can be observed running vertically down the columns.
Column 1:
(√25) + (√81) + (√16) = 5 + 9 + 4 = 18
Column 2:
(√36) + (√9) + (√49) = 6 + 3 + 7 = 16
Column 3:
(√64) + (√4) + (√100) = 8 + 2 + 10 = 20
So, 16 is the missing number. Hence, the third option is correct.
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