Question

    The second number in the given number pairs is obtained by performing certain mathematical operation(s) on the first number. The same operation(s) is/are followed in all the number-pairs except one. Find that odd number-pair.

    A 32 : 16 Correct Answer Incorrect Answer
    B 55 : 29 Correct Answer Incorrect Answer
    C 39 : 21 Correct Answer Incorrect Answer
    D 73 : 38 Correct Answer Incorrect Answer

    Solution

    The logic followed here is: First number = 2 X Second number - 3 32 : 16 → 2 X 16 - 3 = 32 – 3 = 29. 55 : 29 → 2 X 29 - 3 = 58 – 3 = 55. 39 : 21 → 2 X 21 - 3 = 42 – 3 = 39. 73 : 38 → 2 X 38 - 3 = 76 – 3 = 73.

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