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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 not smaller than Q'.
    'P©Q' means 'P is neither greater than nor smaller than Q'.
    '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 nor equal to Q'.

    Statements: K * B, B @ D, D # K
    Conclusions: I. B @ K   II. B # K
  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 B

    Explanation :

    K > B -- (i); B ≤ D -- (ii); D < K -- (iii)

    From (i) B â‰¤ K. Hence II is true but I is not true.


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