Question : Directions: Study the given pattern carefully and select the number that can replace the question mark (?) in it.
| 3 | 2 | 38 | 5 |
| 5 | 3 | ? | 4 |
| 7 | 1 | 54 | 2 |
Option 1: 48
Option 2: 52
Option 3: 40
Option 4: 50
Correct Answer: 50
Solution : The sum of the square of columns one, two, and four is equal to the third column –
In the first row: 3
2
+ 2
2
+ 5
2
= 38
In the third row: 7
2
+ 1
2
+ 2
2
= 54
Similarly, follow the same pattern in the second row: 5
2
+ 3
2
+ 4
2
= 50
Therefore, the required missing number is 50. Hence, the fourth option is correct.
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