Question : Direction: In each of the following question, select the missing number from the given responses.
7 | 6 | 8 |
5 | 4 | 9 |
3 | 2 | 1 |
83 | 56 | ? |
Option 1: 146
Option 2: 128
Option 3: 136
Option 4: 148
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Correct Answer: 146
Solution : Given:
7 | 6 | 8 |
5 | 4 | 9 |
3 | 2 | 1 |
83 | 56 | ? |
In the first column, (7)² + (5)² + (3)² = 49 + 25 + 9 = 83
In the second column, (6)² + (4)² + (2)² = 36 + 16 + 4 = 56
In the third column, (8)² + (9)² + (1)² = 64 + 81 + 1 = 146
So, the missing number is 146 .
Hence, first option is correct.
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