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Discussion :: Mathematical and Computer Operations

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

    Statements: K # T, D $ F, T * F
    Conclusions: I. K * D  II. D $ T
  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 E

    Explanation :

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

    From (ii) and (iii), we get D > F > T => D > T.


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