Question

    Three of the following words are alike in some manner

    and hence form a group. Which word does NOT belong to that group? (The words must be considered as meaningful English words and must not be grouped based on the number of letters/number of consonants/vowels in the word) .
    A Sodium Correct Answer Incorrect Answer
    B Chlorine Correct Answer Incorrect Answer
    C Oxygen Correct Answer Incorrect Answer
    D Argon Correct Answer Incorrect Answer

    Solution

    Sodium, Chlorine, and Oxygen are all reactive elements, while Argon is an inert gas and does not easily react with other elements. Hence, option D.

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