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    Question

    In a certain code language, 'mk qs hn' means 'spherical

    planet mass', 'qs vb zx' means 'radius space mass' and 'hn kb mb' means 'assumed isolated spherical'. What stands for 'planet' in that code? 
    A hn Correct Answer Incorrect Answer
    B vb Correct Answer Incorrect Answer
    C mk Correct Answer Incorrect Answer
    D zx Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ‘mk qs hn' - 'spherical planet mass'……. (i) 'qs vb zx' - 'radius space mass' ……. (ii) 'hn kb mb' - 'assumed isolated spherical'….. (iii) From (i) and (ii), code for ‘mass' is qs. From (ii) and (iii), code for ‘spherical' is ‘hn’. We know the code for ‘mass' and ‘spherical', so from (ii), ‘mk’ is the code for ‘planet’.

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