Question
In the following question, select the odd number pair from the given alternatives.
Solution
The logic followed here is: The square of the 1st digit of the 1st number is added to the square of 2nd digit of the 1st number to get the 2nd number. In option 'A', 1st number = 39, 2nd number = (3² + 9²) = 90 In option 'B', 1st number = 64, 2nd number = (6² + 4²) = 52 In option 'C', 1st number = 55, 2nd number = (5² + 5²) = 50 ≠45 In option 'D', 1st number = 73, 2nd number = (7² + 3²) = 58
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