Question

    Three of the following four triads are alike in a

    certain way as they are formed by performing same mathematical operations among themselves and thus form a group. Which triad does NOT belong to that group?
    A 12 : 47 : 60 Correct Answer Incorrect Answer
    B 4 : 16 : 20 Correct Answer Incorrect Answer
    C 2 : 7 : 10 Correct Answer Incorrect Answer
    D 5 : 19 : 25 Correct Answer Incorrect Answer

    Solution

    12 + 47 = 59 + 1 = 60 16 + 4 = 20 7 + 2 = 9 + 1 = 10 19 + 5 = 24 + 1 = 25

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