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Discussion :: Mathematical and Computer Operations

  1. In the following questions, the symbols @, #, $, % and © are used with the following meaning as illustrated below:
    'P$Q' means 'P is not greater than Q'.
    'P@Q' means 'P is neither smaller than nor equal to Q'.
    'P%Q' means 'P is neither greater than not equal to Q'.
    'P©Q' means 'P is not smaller than Q'.
    'P#Q' means 'P is neither greater than nor smaller than Q'.
    Now in each of the following questions assuming the given statements to be true, find which of the three conclusions I, II and III given below them is are definitely true.

    Statements: M @ R, R © K, J % K
    Conclusions: I. M @ J  II. J % R  III. K % M
    2. A.
    None follows
    B.
    Only either I or II follows
    C.
    Only either II or III follows
    D.
    Only II and III follows
    E.
    All follow

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    Answer : Option E

    Explanation :

    M > R --- (i)   R â‰¥ K --- (ii) J < K --- (iii)

    combining (i), (ii) and (iii), we get:

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