1.

Find the odd group of numbers from the given alternatives.1. 3, 8, 732. 1, 7, 513. 4, 3, 254. 6, 5, 615. 2, 3, 13

Answer» Correct Answer - Option 2 : 1, 7, 51

Logic: Sum of square of first two numbers will give the last number.

1) 32 + 82 = 9 + 64 = 73

2) 12 + 72 = 1 + 49 = 50 ≠ 51

3) 42 + 32 = 16 + 9 = 25

4) 62 + 52 = 36 + 25 = 61

5) 22 + 32 = 4 + 9 = 13

Hence, (1, 7, 51) is odd pair.


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