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Discussion :: Mathematical and Computer Operations

  1. In the following questions, the symbols, @, ©, *, $ and # are used with the following meanings:
    'P@Q' means 'P is neither smaller than nor equal to Q'.
    'P©Q' means 'P is not smaller than Q'.
    'P*Q' means 'P is not greater than Q'.
    'P$Q' means 'P is neither smaller than nor greater than Q'.
    'P#Q' means 'P is neither greater than nor equal to Q'.

    Statements: D $ T, T © M, M # K
    Conclusions: I. M $ D   II. D @ M
  2. A.
    if only conclusion I is true.
    B.
    if only conclusion II is true.
    C.
    if either conclusion I or II is true.
    D.
    if neither conclusion I nor II is true.
    E.
    if both the conclusions I and II are true.

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    Answer : Option C

    Explanation :

    D = T -- (i); T ≥ M -- (ii); M < K -- (iii)

    Combining (i) and (ii), we get;


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